3131302002197 has 2 divisors, whose sum is σ = 3131302002198. Its totient is φ = 3131302002196.

The previous prime is 3131302002181. The next prime is 3131302002211. The reversal of 3131302002197 is 7912002031313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2928937879396 + 202364122801 = 1711414^2 + 449849^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131302002197 - 2⁴ = 3131302002181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131302001197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565651001098 + 1565651001099.

It is an arithmetic number, because the mean of its divisors is an integer number (1565651001099).

Almost surely, 2^{3131302002197} is an apocalyptic number.

It is an amenable number.

3131302002197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131302002197 is an equidigital number, since it uses as much as digits as its factorization.

3131302002197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 3131302002197 in words is "three trillion, one hundred thirty-one billion, three hundred two million, two thousand, one hundred ninety-seven".