313145752 has 8 divisors (see below), whose sum is σ = 587148300. Its totient is φ = 156572872.

The previous prime is 313145719. The next prime is 313145761. The reversal of 313145752 is 257541313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19571602 + ... + 19571617.

Almost surely, 2^313145752 is an apocalyptic number.

It is an amenable number.

313145752 is a deficient number, since it is larger than the sum of its proper divisors (274002548).

313145752 is a wasteful number, since it uses less digits than its factorization.

313145752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39143225 (or 39143221 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 313145752 is about 17695.9247285922. The cubic root of 313145752 is about 679.0715067163.

The spelling of 313145752 in words is "three hundred thirteen million, one hundred forty-five thousand, seven hundred fifty-two".