23131002202 has 32 divisors (see below), whose sum is σ = 43266466944. Its totient is φ = 9010310400.

The previous prime is 23131002197. The next prime is 23131002203. The reversal of 23131002202 is 20220013132.

It is not an unprimeable number, because it can be changed into a prime (23131002203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997702 + ... + 1020622.

It is an arithmetic number, because the mean of its divisors is an integer number (1352077092).

Almost surely, 2^23131002202 is an apocalyptic number.

23131002202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23131002202 is a deficient number, since it is larger than the sum of its proper divisors (20135464742).

23131002202 is a wasteful number, since it uses less digits than its factorization.

23131002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29494.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23131002202 its reverse (20220013132), we get a palindrome (43351015334).

The spelling of 23131002202 in words is "twenty-three billion, one hundred thirty-one million, two thousand, two hundred two".