313252140 has 24 divisors (see below), whose sum is σ = 877106160. Its totient is φ = 83533888.

The previous prime is 313252129. The next prime is 313252169. The reversal of 313252140 is 41252313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610375 + ... + 2610494.

It is an arithmetic number, because the mean of its divisors is an integer number (36546090).

Almost surely, 2^313252140 is an apocalyptic number.

313252140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313252140 is an abundant number, since it is smaller than the sum of its proper divisors (563854020).

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

313252140 is a wasteful number, since it uses less digits than its factorization.

313252140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220881 (or 5220879 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 313252140 is about 17698.9304761615. The cubic root of 313252140 is about 679.1484004940.

The spelling of 313252140 in words is "three hundred thirteen million, two hundred fifty-two thousand, one hundred forty".