231110311023 has 8 divisors (see below), whose sum is σ = 342385646000. Its totient is φ = 154073540664.

The previous prime is 231110311021. The next prime is 231110311027. The reversal of 231110311023 is 320113011132.

It is not a de Polignac number, because 231110311023 - 2¹ = 231110311021 is a prime.

It is a super-2 number, since 2×231110311023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231110310987 and 231110311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231110311021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4279820548 + ... + 4279820601.

It is an arithmetic number, because the mean of its divisors is an integer number (42798205750).

Almost surely, 2^231110311023 is an apocalyptic number.

231110311023 is a deficient number, since it is larger than the sum of its proper divisors (111275334977).

231110311023 is an equidigital number, since it uses as much as digits as its factorization.

231110311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559641158 (or 8559641152 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231110311023 its reverse (320113011132), we get a palindrome (551223322155).

The spelling of 231110311023 in words is "two hundred thirty-one billion, one hundred ten million, three hundred eleven thousand, twenty-three".