131403004020202 has 16 divisors (see below), whose sum is σ = 200774047843080. Its totient is φ = 64489098327808.

The previous prime is 131403004020199. The next prime is 131403004020217. The reversal of 131403004020202 is 202020400304131.

It can be written as a sum of positive squares in 4 ways, for example, as 61316119472521 + 70086884547681 = 7830461^2 + 8371791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694205993 + ... + 2694254764.

Almost surely, 2^{131403004020202} is an apocalyptic number.

131403004020202 is a deficient number, since it is larger than the sum of its proper divisors (69371043822878).

131403004020202 is a wasteful number, since it uses less digits than its factorization.

131403004020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388460985.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 131403004020202 its reverse (202020400304131), we get a palindrome (333423404324333).

The spelling of 131403004020202 in words is "one hundred thirty-one trillion, four hundred three billion, four million, twenty thousand, two hundred two".