331332131197 has 2 divisors, whose sum is σ = 331332131198. Its totient is φ = 331332131196.

The previous prime is 331332131099. The next prime is 331332131201. The reversal of 331332131197 is 791131233133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303726640996 + 27605490201 = 551114^2 + 166149^2 .

It is an emirp because it is prime and its reverse (791131233133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331332131197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331332131497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165666065598 + 165666065599.

It is an arithmetic number, because the mean of its divisors is an integer number (165666065599).

Almost surely, 2^331332131197 is an apocalyptic number.

It is an amenable number.

331332131197 is a deficient number, since it is larger than the sum of its proper divisors (1).

331332131197 is an equidigital number, since it uses as much as digits as its factorization.

331332131197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 37.

The spelling of 331332131197 in words is "three hundred thirty-one billion, three hundred thirty-two million, one hundred thirty-one thousand, one hundred ninety-seven".