331743015313 has 2 divisors, whose sum is σ = 331743015314. Its totient is φ = 331743015312.

The previous prime is 331743015223. The next prime is 331743015431. The reversal of 331743015313 is 313510347133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177457460049 + 154285555264 = 421257^2 + 392792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331743015313 is a prime.

It is a super-2 number, since 2×331743015313² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331743015713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165871507656 + 165871507657.

It is an arithmetic number, because the mean of its divisors is an integer number (165871507657).

Almost surely, 2^331743015313 is an apocalyptic number.

It is an amenable number.

331743015313 is a deficient number, since it is larger than the sum of its proper divisors (1).

331743015313 is an equidigital number, since it uses as much as digits as its factorization.

331743015313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The spelling of 331743015313 in words is "three hundred thirty-one billion, seven hundred forty-three million, fifteen thousand, three hundred thirteen".