23021001230031 has 48 divisors (see below), whose sum is σ = 40494684469824. Its totient is φ = 12302182444032.

The previous prime is 23021001229999. The next prime is 23021001230063. The reversal of 23021001230031 is 13003210012032.

23021001230031 is a `hidden beast` number, since 2 + 302 + 100 + 1 + 230 + 0 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (23021001229999) and next prime (23021001230063).

It is not a de Polignac number, because 23021001230031 - 2⁵ = 23021001229999 is a prime.

It is a super-2 number, since 2×23021001230031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23021001229986 and 23021001230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021001230131) 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, 68286840 + ... + 68623133.

It is an arithmetic number, because the mean of its divisors is an integer number (843639259788).

Almost surely, 2^{23021001230031} is an apocalyptic number.

23021001230031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23021001230031 is a deficient number, since it is larger than the sum of its proper divisors (17473683239793).

23021001230031 is a wasteful number, since it uses less digits than its factorization.

23021001230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136910160 (or 136910157 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23021001230031 its reverse (13003210012032), we get a palindrome (36024211242063).

The spelling of 23021001230031 in words is "twenty-three trillion, twenty-one billion, one million, two hundred thirty thousand, thirty-one".