313025121 has 16 divisors (see below), whose sum is σ = 469331520. Its totient is φ = 206167680.

The previous prime is 313025113. The next prime is 313025161. The reversal of 313025121 is 121520313.

It is not a de Polignac number, because 313025121 - 2³ = 313025113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313025094 and 313025103.

It is not an unprimeable number, because it can be changed into a prime (313025161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67600 + ... + 72081.

It is an arithmetic number, because the mean of its divisors is an integer number (29333220).

Almost surely, 2^313025121 is an apocalyptic number.

It is an amenable number.

313025121 is a deficient number, since it is larger than the sum of its proper divisors (156306399).

313025121 is a wasteful number, since it uses less digits than its factorization.

313025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139773 (or 139767 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 313025121 is about 17692.5159601454. The cubic root of 313025121 is about 678.9842974903.

Adding to 313025121 its reverse (121520313), we get a palindrome (434545434).

The spelling of 313025121 in words is "three hundred thirteen million, twenty-five thousand, one hundred twenty-one".