315328343389 has 2 divisors, whose sum is σ = 315328343390. Its totient is φ = 315328343388.

The previous prime is 315328343251. The next prime is 315328343431. The reversal of 315328343389 is 983343823513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258529537764 + 56798805625 = 508458^2 + 238325^2 .

It is a cyclic number.

It is not a de Polignac number, because 315328343389 - 2⁹ = 315328342877 is a prime.

It is a super-2 number, since 2×315328343389² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315328343489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157664171694 + 157664171695.

It is an arithmetic number, because the mean of its divisors is an integer number (157664171695).

Almost surely, 2^315328343389 is an apocalyptic number.

It is an amenable number.

315328343389 is a deficient number, since it is larger than the sum of its proper divisors (1).

315328343389 is an equidigital number, since it uses as much as digits as its factorization.

315328343389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 52.

The spelling of 315328343389 in words is "three hundred fifteen billion, three hundred twenty-eight million, three hundred forty-three thousand, three hundred eighty-nine".