23230031031 has 6 divisors (see below), whose sum is σ = 33554489280. Its totient is φ = 15486687348.

The previous prime is 23230031023. The next prime is 23230031039. The reversal of 23230031031 is 13013003232.

23230031031 is a `hidden beast` number, since 2 + 323 + 0 + 0 + 310 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (23230031023) and next prime (23230031039).

It is not a de Polignac number, because 23230031031 - 2³ = 23230031023 is a prime.

It is a super-2 number, since 2×23230031031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23230030995 and 23230031013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230031039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1290557271 + ... + 1290557288.

It is an arithmetic number, because the mean of its divisors is an integer number (5592414880).

Almost surely, 2^23230031031 is an apocalyptic number.

23230031031 is a deficient number, since it is larger than the sum of its proper divisors (10324458249).

23230031031 is a wasteful number, since it uses less digits than its factorization.

23230031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581114565 (or 2581114562 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23230031031 its reverse (13013003232), we get a palindrome (36243034263).

The spelling of 23230031031 in words is "twenty-three billion, two hundred thirty million, thirty-one thousand, thirty-one".