23030312031 has 12 divisors (see below), whose sum is σ = 33267775008. Its totient is φ = 15352725024.

The previous prime is 23030311987. The next prime is 23030312057. The reversal of 23030312031 is 13021303032.

It is not a de Polignac number, because 23030312031 - 2⁷ = 23030311903 is a prime.

It is a super-2 number, since 2×23030312031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23030311995 and 23030312013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030312231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146131 + ... + 259643.

It is an arithmetic number, because the mean of its divisors is an integer number (2772314584).

Almost surely, 2^23030312031 is an apocalyptic number.

23030312031 is a deficient number, since it is larger than the sum of its proper divisors (10237462977).

23030312031 is a wasteful number, since it uses less digits than its factorization.

23030312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136062 (or 136059 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23030312031 its reverse (13021303032), we get a palindrome (36051615063).

The spelling of 23030312031 in words is "twenty-three billion, thirty million, three hundred twelve thousand, thirty-one".