23220032031 has 48 divisors (see below), whose sum is σ = 40378141440. Its totient is φ = 12561143040.

The previous prime is 23220032023. The next prime is 23220032039. The reversal of 23220032031 is 13023002232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23220032023) and next prime (23220032039).

It is not a de Polignac number, because 23220032031 - 2³ = 23220032023 is a prime.

It is a super-2 number, since 2×23220032031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23220031995 and 23220032013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220032039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1852696 + ... + 1865186.

It is an arithmetic number, because the mean of its divisors is an integer number (841211280).

Almost surely, 2^23220032031 is an apocalyptic number.

23220032031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23220032031 is a deficient number, since it is larger than the sum of its proper divisors (17158109409).

23220032031 is a wasteful number, since it uses less digits than its factorization.

23220032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14076 (or 14073 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23220032031 its reverse (13023002232), we get a palindrome (36243034263).

The spelling of 23220032031 in words is "twenty-three billion, two hundred twenty million, thirty-two thousand, thirty-one".