23131202210 has 16 divisors (see below), whose sum is σ = 41638333176. Its totient is φ = 9251998848.

The previous prime is 23131202209. The next prime is 23131202219. The reversal of 23131202210 is 1220213132.

It can be written as a sum of positive squares in 4 ways, for example, as 23061763321 + 69438889 = 151861^2 + 8333^2 .

It is not an unprimeable number, because it can be changed into a prime (23131202219) 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, 191294 + ... + 287846.

Almost surely, 2^23131202210 is an apocalyptic number.

23131202210 is a deficient number, since it is larger than the sum of its proper divisors (18507130966).

23131202210 is a wasteful number, since it uses less digits than its factorization.

23131202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120517.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23131202210 its reverse (1220213132), we get a palindrome (24351415342).

The spelling of 23131202210 in words is "twenty-three billion, one hundred thirty-one million, two hundred two thousand, two hundred ten".