313155225 has 36 divisors (see below), whose sum is σ = 562214016. Its totient is φ = 166623840.

The previous prime is 313155223. The next prime is 313155239. The reversal of 313155225 is 522551313.

It is a happy number.

313155225 is a `hidden beast` number, since 3 + 131 + 5 + 522 + 5 = 666.

It is not a de Polignac number, because 313155225 - 2¹ = 313155223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313155221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 111792 + ... + 114558.

It is an arithmetic number, because the mean of its divisors is an integer number (15617056).

Almost surely, 2^313155225 is an apocalyptic number.

It is an amenable number.

313155225 is a deficient number, since it is larger than the sum of its proper divisors (249058791).

313155225 is a wasteful number, since it uses less digits than its factorization.

313155225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286 (or 3278 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 313155225 is about 17696.1923870645. The cubic root of 313155225 is about 679.0783541981.

The spelling of 313155225 in words is "three hundred thirteen million, one hundred fifty-five thousand, two hundred twenty-five".