23113131002 has 16 divisors (see below), whose sum is σ = 37605210720. Its totient is φ = 10590851952.

The previous prime is 23113130977. The next prime is 23113131011. The reversal of 23113131002 is 20013131132.

It is a super-2 number, since 2×23113131002² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194108 + ... + 3201335.

It is an arithmetic number, because the mean of its divisors is an integer number (2350325670).

Almost surely, 2^23113131002 is an apocalyptic number.

23113131002 is a deficient number, since it is larger than the sum of its proper divisors (14492079718).

23113131002 is a wasteful number, since it uses less digits than its factorization.

23113131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395597.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23113131002 its reverse (20013131132), we get a palindrome (43126262134).

It can be divided in two parts, 2311 and 3131002, that added together give a palindrome (3133313).

The spelling of 23113131002 in words is "twenty-three billion, one hundred thirteen million, one hundred thirty-one thousand, two".