131103113000202 has 72 divisors (see below), whose sum is σ = 330863050217700. Its totient is φ = 37409322037248.

The previous prime is 131103113000173. The next prime is 131103113000257. The reversal of 131103113000202 is 202000311301131.

131103113000202 is a `hidden beast` number, since 1 + 31 + 1 + 0 + 311 + 300 + 0 + 20 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123045752574801 + 8057360425401 = 11092599^2 + 2838549^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95968677 + ... + 97325192.

Almost surely, 2^{131103113000202} is an apocalyptic number.

131103113000202 is an abundant number, since it is smaller than the sum of its proper divisors (199759937217498).

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

131103113000202 is a wasteful number, since it uses less digits than its factorization.

131103113000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193294660 (or 193294650 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131103113000202 its reverse (202000311301131), we get a palindrome (333103424301333).

The spelling of 131103113000202 in words is "one hundred thirty-one trillion, one hundred three billion, one hundred thirteen million, two hundred two", and thus it is an aban number.