The number "831" is often interpreted in a few different contexts, but it usually carries the meaning "I love you." This interpretation is derived from the numerology of the individual digits: 8 represents "infinity" or "endless," 3 stands for "I love," and 1 signifies "you." It is commonly used in text messaging and social media as a shorthand way to express affection.
The term "831" stems from the combination of numbers coded to represent a phrase of affection. The digits became popular in the late 20th century with the rise of texting and digital communication, helping to convey emotions succinctly.