23231031031 has 16 divisors (see below), whose sum is σ = 25101050688. Its totient is φ = 21372998400.

The previous prime is 23231031013. The next prime is 23231031049. The reversal of 23231031031 is 13013013232.

It is an interprime number because it is at equal distance from previous prime (23231031013) and next prime (23231031049).

It is not a de Polignac number, because 23231031031 - 2¹⁹ = 23230506743 is a prime.

It is a super-2 number, since 2×23231031031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231032031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5937966 + ... + 5941876.

It is an arithmetic number, because the mean of its divisors is an integer number (1568815668).

Almost surely, 2^23231031031 is an apocalyptic number.

23231031031 is a deficient number, since it is larger than the sum of its proper divisors (1870019657).

23231031031 is a wasteful number, since it uses less digits than its factorization.

23231031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23231031031 its reverse (13013013232), we get a palindrome (36244044263).

The spelling of 23231031031 in words is "twenty-three billion, two hundred thirty-one million, thirty-one thousand, thirty-one".