23032531031 has 4 divisors (see below), whose sum is σ = 23033756832. Its totient is φ = 23031305232.

The previous prime is 23032531007. The next prime is 23032531037. The reversal of 23032531031 is 13013523032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23032531031 - 2⁶ = 23032530967 is a prime.

It is a super-2 number, since 2×23032531031² (a number of 22 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 = 23032530988 and 23032531006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032531037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584270 + ... + 622443.

It is an arithmetic number, because the mean of its divisors is an integer number (5758439208).

Almost surely, 2^23032531031 is an apocalyptic number.

23032531031 is a deficient number, since it is larger than the sum of its proper divisors (1225801).

23032531031 is a wasteful number, since it uses less digits than its factorization.

23032531031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225800.

The product of its (nonzero) digits is 1620, while the sum is 23.

The spelling of 23032531031 in words is "twenty-three billion, thirty-two million, five hundred thirty-one thousand, thirty-one".