1313031320339 has 2 divisors, whose sum is σ = 1313031320340. Its totient is φ = 1313031320338.

The previous prime is 1313031320329. The next prime is 1313031320353. The reversal of 1313031320339 is 9330231303131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313031320339 - 2⁴ = 1313031320323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313031320329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656515660169 + 656515660170.

It is an arithmetic number, because the mean of its divisors is an integer number (656515660170).

Almost surely, 2^{1313031320339} is an apocalyptic number.

1313031320339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313031320339 is an equidigital number, since it uses as much as digits as its factorization.

1313031320339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 32.

The spelling of 1313031320339 in words is "one trillion, three hundred thirteen billion, thirty-one million, three hundred twenty thousand, three hundred thirty-nine".