315804893143 has 2 divisors, whose sum is σ = 315804893144. Its totient is φ = 315804893142.

The previous prime is 315804893039. The next prime is 315804893149. The reversal of 315804893143 is 341398408513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315804893143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315804893149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157902446571 + 157902446572.

It is an arithmetic number, because the mean of its divisors is an integer number (157902446572).

Almost surely, 2^315804893143 is an apocalyptic number.

315804893143 is a deficient number, since it is larger than the sum of its proper divisors (1).

315804893143 is an equidigital number, since it uses as much as digits as its factorization.

315804893143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 315804893143 in words is "three hundred fifteen billion, eight hundred four million, eight hundred ninety-three thousand, one hundred forty-three".