23031112031 has 8 divisors (see below), whose sum is σ = 24054161760. Its totient is φ = 22009870432.

The previous prime is 23031112021. The next prime is 23031112057. The reversal of 23031112031 is 13021113032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23031112031 is a prime.

It is a super-2 number, since 2×23031112031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425960 + ... + 476973.

It is an arithmetic number, because the mean of its divisors is an integer number (3006770220).

Almost surely, 2^23031112031 is an apocalyptic number.

23031112031 is a deficient number, since it is larger than the sum of its proper divisors (1023049729).

23031112031 is a wasteful number, since it uses less digits than its factorization.

23031112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904065.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23031112031 its reverse (13021113032), we get a palindrome (36052225063).

The spelling of 23031112031 in words is "twenty-three billion, thirty-one million, one hundred twelve thousand, thirty-one".