313087057921 has 8 divisors (see below), whose sum is σ = 346647272544. Its totient is φ = 280376469120.

The previous prime is 313087057901. The next prime is 313087057957. The reversal of 313087057921 is 129750780313.

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

It is not a de Polignac number, because 313087057921 - 2²⁹ = 312550187009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313087057901) 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, 212405680 + ... + 212407153.

It is an arithmetic number, because the mean of its divisors is an integer number (43330909068).

Almost surely, 2^313087057921 is an apocalyptic number.

It is an amenable number.

313087057921 is a deficient number, since it is larger than the sum of its proper divisors (33560214623).

313087057921 is a wasteful number, since it uses less digits than its factorization.

313087057921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424812911.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 313087057921 in words is "three hundred thirteen billion, eighty-seven million, fifty-seven thousand, nine hundred twenty-one".