131303021120 has 28 divisors (see below), whose sum is σ = 312665319804. Its totient is φ = 52521208320.

The previous prime is 131303021117. The next prime is 131303021183. The reversal of 131303021120 is 21120303131.

It can be written as a sum of positive squares in 2 ways, for example, as 38365840384 + 92937180736 = 195872^2 + 304856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205160651 + ... + 205161290.

Almost surely, 2^131303021120 is an apocalyptic number.

131303021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131303021120 is an abundant number, since it is smaller than the sum of its proper divisors (181362298684).

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

131303021120 is an equidigital number, since it uses as much as digits as its factorization.

131303021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410321958 (or 410321948 counting only the distinct ones).

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

Adding to 131303021120 its reverse (21120303131), we get a palindrome (152423324251).

The spelling of 131303021120 in words is "one hundred thirty-one billion, three hundred three million, twenty-one thousand, one hundred twenty".