315251155 has 8 divisors (see below), whose sum is σ = 385439472. Its totient is φ = 247442208.

The previous prime is 315251119. The next prime is 315251161. The reversal of 315251155 is 551152513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315251155 is a prime.

It is a Duffinian 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, 594549 + ... + 595078.

It is an arithmetic number, because the mean of its divisors is an integer number (48179934).

Almost surely, 2^315251155 is an apocalyptic number.

315251155 is a deficient number, since it is larger than the sum of its proper divisors (70188317).

315251155 is a wasteful number, since it uses less digits than its factorization.

315251155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189685.

The product of its digits is 3750, while the sum is 28.

The square root of 315251155 is about 17755.3134300693. The cubic root of 315251155 is about 680.5899976041.

The spelling of 315251155 in words is "three hundred fifteen million, two hundred fifty-one thousand, one hundred fifty-five".