23130331031 has 8 divisors (see below), whose sum is σ = 23623338960. Its totient is φ = 22640688832.

The previous prime is 23130331027. The next prime is 23130331033. The reversal of 23130331031 is 13013303132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23130331031 - 2² = 23130331027 is a prime.

It is a super-2 number, since 2×23130331031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23130330994 and 23130331012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130331033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827540 + ... + 855033.

It is an arithmetic number, because the mean of its divisors is an integer number (2952917370).

Almost surely, 2^23130331031 is an apocalyptic number.

23130331031 is a deficient number, since it is larger than the sum of its proper divisors (493007929).

23130331031 is a wasteful number, since it uses less digits than its factorization.

23130331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682865.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 23130331031 its reverse (13013303132), we get a palindrome (36143634163).

The spelling of 23130331031 in words is "twenty-three billion, one hundred thirty million, three hundred thirty-one thousand, thirty-one".