23130002031 has 32 divisors (see below), whose sum is σ = 31956857856. Its totient is φ = 14871168000.

The previous prime is 23130002011. The next prime is 23130002053. The reversal of 23130002031 is 13020003132.

It is not a de Polignac number, because 23130002031 - 2¹³ = 23129993839 is a prime.

It is a super-2 number, since 2×23130002031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23130002031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130002011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4363975 + ... + 4369271.

It is an arithmetic number, because the mean of its divisors is an integer number (998651808).

Almost surely, 2^23130002031 is an apocalyptic number.

23130002031 is a deficient number, since it is larger than the sum of its proper divisors (8826855825).

23130002031 is a wasteful number, since it uses less digits than its factorization.

23130002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23130002031 its reverse (13020003132), we get a palindrome (36150005163).

The spelling of 23130002031 in words is "twenty-three billion, one hundred thirty million, two thousand, thirty-one".