31130010023 has 12 divisors (see below), whose sum is σ = 36218831472. Its totient is φ = 26678171520.

The previous prime is 31130010019. The next prime is 31130010047. The reversal of 31130010023 is 32001003113.

It is not a de Polignac number, because 31130010023 - 2² = 31130010019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130010053) 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, 241463 + ... + 347223.

It is an arithmetic number, because the mean of its divisors is an integer number (3018235956).

Almost surely, 2^31130010023 is an apocalyptic number.

31130010023 is a deficient number, since it is larger than the sum of its proper divisors (5088821449).

31130010023 is a wasteful number, since it uses less digits than its factorization.

31130010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111782 (or 111775 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31130010023 its reverse (32001003113), we get a palindrome (63131013136).

The spelling of 31130010023 in words is "thirty-one billion, one hundred thirty million, ten thousand, twenty-three".