315151974 has 24 divisors (see below), whose sum is σ = 718768440. Its totient is φ = 99521568.

The previous prime is 315151973. The next prime is 315151979. The reversal of 315151974 is 479151513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315151973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460407 + ... + 461090.

It is an arithmetic number, because the mean of its divisors is an integer number (29948685).

Almost surely, 2^315151974 is an apocalyptic number.

315151974 is an abundant number, since it is smaller than the sum of its proper divisors (403616466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315151974 is a wasteful number, since it uses less digits than its factorization.

315151974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921524 (or 921521 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 315151974 is about 17752.5202154511. The cubic root of 315151974 is about 680.5186167642.

It can be divided in two parts, 31515 and 1974, that added together give a square (33489 = 183²).

The spelling of 315151974 in words is "three hundred fifteen million, one hundred fifty-one thousand, nine hundred seventy-four".