23131321010 has 16 divisors (see below), whose sum is σ = 47584431936. Its totient is φ = 7930738608.

The previous prime is 23131320977. The next prime is 23131321013. The reversal of 23131321010 is 1012313132.

It is a self number, because there is not a number n which added to its sum of digits gives 23131321010.

It is not an unprimeable number, because it can be changed into a prime (23131321013) 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, 165223652 + ... + 165223791.

It is an arithmetic number, because the mean of its divisors is an integer number (2974026996).

Almost surely, 2^23131321010 is an apocalyptic number.

23131321010 is an abundant number, since it is smaller than the sum of its proper divisors (24453110926).

23131321010 is a wasteful number, since it uses less digits than its factorization.

23131321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330447457.

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

Adding to 23131321010 its reverse (1012313132), we get a palindrome (24143634142).

The spelling of 23131321010 in words is "twenty-three billion, one hundred thirty-one million, three hundred twenty-one thousand, ten".