131321022100 has 36 divisors (see below), whose sum is σ = 291029747904. Its totient is φ = 51410781280.

The previous prime is 131321022097. The next prime is 131321022139. The reversal of 131321022100 is 1220123131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13965622 + ... + 13975021.

It is an arithmetic number, because the mean of its divisors is an integer number (8084159664).

Almost surely, 2^131321022100 is an apocalyptic number.

131321022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321022100 is an abundant number, since it is smaller than the sum of its proper divisors (159708725804).

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

131321022100 is a wasteful number, since it uses less digits than its factorization.

131321022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27940704 (or 27940697 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131321022100 its reverse (1220123131), we get a palindrome (132541145231).

The spelling of 131321022100 in words is "one hundred thirty-one billion, three hundred twenty-one million, twenty-two thousand, one hundred".