313120225 has 24 divisors (see below), whose sum is σ = 425999520. Its totient is φ = 226416000.

The previous prime is 313120219. The next prime is 313120277. The reversal of 313120225 is 522021313.

It is not a de Polignac number, because 313120225 - 2³ = 313120217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46045 + ... + 52405.

It is an arithmetic number, because the mean of its divisors is an integer number (17749980).

Almost surely, 2^313120225 is an apocalyptic number.

It is an amenable number.

313120225 is a deficient number, since it is larger than the sum of its proper divisors (112879295).

313120225 is a wasteful number, since it uses less digits than its factorization.

313120225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561 (or 6556 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 313120225 is about 17695.2034461319. The cubic root of 313120225 is about 679.0530540424.

Adding to 313120225 its reverse (522021313), we get a palindrome (835141538).

The spelling of 313120225 in words is "three hundred thirteen million, one hundred twenty thousand, two hundred twenty-five".