23031213132231 has 12 divisors (see below), whose sum is σ = 33341399863200. Its totient is φ = 15319945777920.

The previous prime is 23031213132223. The next prime is 23031213132247. The reversal of 23031213132231 is 13223131213032.

23031213132231 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 121 + 313 + 223 + 1 = 666.

It is not a de Polignac number, because 23031213132231 - 2³ = 23031213132223 is a prime.

It is a super-2 number, since 2×23031213132231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23031213132195 and 23031213132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031213132211) 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, 2849688255 + ... + 2849696336.

It is an arithmetic number, because the mean of its divisors is an integer number (2778449988600).

Almost surely, 2^{23031213132231} is an apocalyptic number.

23031213132231 is a deficient number, since it is larger than the sum of its proper divisors (10310186730969).

23031213132231 is a wasteful number, since it uses less digits than its factorization.

23031213132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699385046 (or 5699385043 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 23031213132231 its reverse (13223131213032), we get a palindrome (36254344345263).

The spelling of 23031213132231 in words is "twenty-three trillion, thirty-one billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred thirty-one".