315143320399 has 2 divisors, whose sum is σ = 315143320400. Its totient is φ = 315143320398.

The previous prime is 315143320357. The next prime is 315143320441. The reversal of 315143320399 is 993023341513.

It is a balanced prime because it is at equal distance from previous prime (315143320357) and next prime (315143320441).

It is a cyclic number.

It is not a de Polignac number, because 315143320399 - 2³⁵ = 280783582031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315143320699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157571660199 + 157571660200.

It is an arithmetic number, because the mean of its divisors is an integer number (157571660200).

Almost surely, 2^315143320399 is an apocalyptic number.

315143320399 is a deficient number, since it is larger than the sum of its proper divisors (1).

315143320399 is an equidigital number, since it uses as much as digits as its factorization.

315143320399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 43.

The spelling of 315143320399 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty thousand, three hundred ninety-nine".