131320201100202 has 24 divisors (see below), whose sum is σ = 284611058580420. Its totient is φ = 43760484028800.

The previous prime is 131320201100183. The next prime is 131320201100227. The reversal of 131320201100202 is 202001102023131.

131320201100202 is a `hidden beast` number, since 1 + 31 + 320 + 2 + 0 + 110 + 0 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 131015288408481 + 304912691721 = 11446191^2 + 552189^2 .

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 11 ways as a sum of consecutive naturals, for example, 1076298799 + ... + 1076420802.

Almost surely, 2^{131320201100202} is an apocalyptic number.

131320201100202 is an abundant number, since it is smaller than the sum of its proper divisors (153290857480218).

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

131320201100202 is a wasteful number, since it uses less digits than its factorization.

131320201100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152722998 (or 2152722995 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131320201100202 its reverse (202001102023131), we get a palindrome (333321303123333).

The spelling of 131320201100202 in words is "one hundred thirty-one trillion, three hundred twenty billion, two hundred one million, one hundred thousand, two hundred two".