311230311283 has 2 divisors, whose sum is σ = 311230311284. Its totient is φ = 311230311282.

The previous prime is 311230311251. The next prime is 311230311419. The reversal of 311230311283 is 382113032113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311230311283 - 2⁵ = 311230311251 is a prime.

It is a super-2 number, since 2×311230311283² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311230311683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615155641 + 155615155642.

It is an arithmetic number, because the mean of its divisors is an integer number (155615155642).

Almost surely, 2^311230311283 is an apocalyptic number.

311230311283 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230311283 is an equidigital number, since it uses as much as digits as its factorization.

311230311283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 311230311283 its reverse (382113032113), we get a palindrome (693343343396).

The spelling of 311230311283 in words is "three hundred eleven billion, two hundred thirty million, three hundred eleven thousand, two hundred eighty-three".