317142355 has 32 divisors (see below), whose sum is σ = 402027840. Its totient is φ = 239915520.

The previous prime is 317142337. The next prime is 317142379. The reversal of 317142355 is 553241713.

It is a happy number.

It is not a de Polignac number, because 317142355 - 2⁹ = 317141843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1771656 + ... + 1771834.

It is an arithmetic number, because the mean of its divisors is an integer number (12563370).

Almost surely, 2^317142355 is an apocalyptic number.

317142355 is a deficient number, since it is larger than the sum of its proper divisors (84885485).

317142355 is a wasteful number, since it uses less digits than its factorization.

317142355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its digits is 12600, while the sum is 31.

The square root of 317142355 is about 17808.4910927344. The cubic root of 317142355 is about 681.9482442815.

The spelling of 317142355 in words is "three hundred seventeen million, one hundred forty-two thousand, three hundred fifty-five".