2313202320197 has 4 divisors (see below), whose sum is σ = 2313205526016. Its totient is φ = 2313199114380.

The previous prime is 2313202320193. The next prime is 2313202320227. The reversal of 2313202320197 is 7910232023132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2313202320197 - 2² = 2313202320193 is a prime.

It is a super-2 number, since 2×2313202320197² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313202320193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42338 + ... + 2151324.

It is an arithmetic number, because the mean of its divisors is an integer number (578301381504).

Almost surely, 2^{2313202320197} is an apocalyptic number.

It is an amenable number.

2313202320197 is a deficient number, since it is larger than the sum of its proper divisors (3205819).

2313202320197 is a wasteful number, since it uses less digits than its factorization.

2313202320197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205818.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 2313202320197 in words is "two trillion, three hundred thirteen billion, two hundred two million, three hundred twenty thousand, one hundred ninety-seven".