231310310311 has 2 divisors, whose sum is σ = 231310310312. Its totient is φ = 231310310310.

The previous prime is 231310310293. The next prime is 231310310369. The reversal of 231310310311 is 113013013132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231310310311 - 2⁹ = 231310309799 is a prime.

It is a super-2 number, since 2×231310310311² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231310310381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115655155155 + 115655155156.

It is an arithmetic number, because the mean of its divisors is an integer number (115655155156).

Almost surely, 2^231310310311 is an apocalyptic number.

231310310311 is a deficient number, since it is larger than the sum of its proper divisors (1).

231310310311 is an equidigital number, since it uses as much as digits as its factorization.

231310310311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 231310310311 its reverse (113013013132), we get a palindrome (344323323443).

The spelling of 231310310311 in words is "two hundred thirty-one billion, three hundred ten million, three hundred ten thousand, three hundred eleven".