315257351253142 has 16 divisors (see below), whose sum is σ = 497777491335600. Its totient is φ = 149331611681280.

The previous prime is 315257351253139. The next prime is 315257351253181. The reversal of 315257351253142 is 241352153752513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15660159 + ... + 29593162.

It is an arithmetic number, because the mean of its divisors is an integer number (31111093208475).

Almost surely, 2^{315257351253142} is an apocalyptic number.

315257351253142 is a deficient number, since it is larger than the sum of its proper divisors (182520140082458).

315257351253142 is a wasteful number, since it uses less digits than its factorization.

315257351253142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45436671.

The product of its digits is 3780000, while the sum is 49.

The spelling of 315257351253142 in words is "three hundred fifteen trillion, two hundred fifty-seven billion, three hundred fifty-one million, two hundred fifty-three thousand, one hundred forty-two".