313052021 has 8 divisors (see below), whose sum is σ = 315403200. Its totient is φ = 310706848.

The previous prime is 313052017. The next prime is 313052023. The reversal of 313052021 is 120250313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313052021 - 2² = 313052017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313052023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174290 + ... + 176076.

It is an arithmetic number, because the mean of its divisors is an integer number (39425400).

Almost surely, 2^313052021 is an apocalyptic number.

It is an amenable number.

313052021 is a deficient number, since it is larger than the sum of its proper divisors (2351179).

313052021 is a wasteful number, since it uses less digits than its factorization.

313052021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 313052021 is about 17693.2761522563. The cubic root of 313052021 is about 679.0037465731.

The spelling of 313052021 in words is "three hundred thirteen million, fifty-two thousand, twenty-one".