131343538528100 has 18 divisors (see below), whose sum is σ = 285015478606194. Its totient is φ = 52537415411200.

The previous prime is 131343538528099. The next prime is 131343538528141. The reversal of 131343538528100 is 1825835343131.

It can be written as a sum of positive squares in 3 ways, for example, as 24794404442404 + 106549134085696 = 4979398^2 + 10322264^2 .

It is a super-2 number, since 2×131343538528100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656717692541 + ... + 656717692740.

Almost surely, 2^{131343538528100} is an apocalyptic number.

131343538528100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131343538528100 is an abundant number, since it is smaller than the sum of its proper divisors (153671940078094).

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

131343538528100 is a wasteful number, since it uses less digits than its factorization.

131343538528100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313435385295 (or 1313435385288 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 131343538528100 in words is "one hundred thirty-one trillion, three hundred forty-three billion, five hundred thirty-eight million, five hundred twenty-eight thousand, one hundred".