131320221000994 has 8 divisors (see below), whose sum is σ = 196993121647788. Its totient is φ = 65655847118400.

The previous prime is 131320221000979. The next prime is 131320221001001. The reversal of 131320221000994 is 499000122023131.

It can be written as a sum of positive squares in 2 ways, for example, as 113693448520369 + 17626772480625 = 10662713^2 + 4198425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131652547 + ... + 2131714150.

Almost surely, 2^{131320221000994} is an apocalyptic number.

131320221000994 is a deficient number, since it is larger than the sum of its proper divisors (65672900646794).

131320221000994 is a wasteful number, since it uses less digits than its factorization.

131320221000994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263382100.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 131320221000994 in words is "one hundred thirty-one trillion, three hundred twenty billion, two hundred twenty-one million, nine hundred ninety-four", and thus it is an aban number.