131020302220197 has 32 divisors (see below), whose sum is σ = 196313898950400. Its totient is φ = 77121319283712.

The previous prime is 131020302220183. The next prime is 131020302220207. The reversal of 131020302220197 is 791022203020131.

It is a happy number.

It is not a de Polignac number, because 131020302220197 - 2¹¹ = 131020302218149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020302220127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71418429 + ... + 73229997.

It is an arithmetic number, because the mean of its divisors is an integer number (6134809342200).

Almost surely, 2^{131020302220197} is an apocalyptic number.

It is an amenable number.

131020302220197 is a deficient number, since it is larger than the sum of its proper divisors (65293596730203).

131020302220197 is a wasteful number, since it uses less digits than its factorization.

131020302220197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892237.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 131020302220197 in words is "one hundred thirty-one trillion, twenty billion, three hundred two million, two hundred twenty thousand, one hundred ninety-seven".