131011321210 has 32 divisors (see below), whose sum is σ = 294009823872. Its totient is φ = 40834697280.

The previous prime is 131011321201. The next prime is 131011321229. The reversal of 131011321210 is 12123110131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85071517 + ... + 85073056.

It is an arithmetic number, because the mean of its divisors is an integer number (9187806996).

Almost surely, 2^131011321210 is an apocalyptic number.

131011321210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131011321210 is an abundant number, since it is smaller than the sum of its proper divisors (162998502662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131011321210 is a wasteful number, since it uses less digits than its factorization.

131011321210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170144598.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131011321210 its reverse (12123110131), we get a palindrome (143134431341).

The spelling of 131011321210 in words is "one hundred thirty-one billion, eleven million, three hundred twenty-one thousand, two hundred ten".