313305500321 has 16 divisors (see below), whose sum is σ = 362636196480. Its totient is φ = 267518350080.

The previous prime is 313305500309. The next prime is 313305500327. The reversal of 313305500321 is 123005503313.

It is a cyclic number.

It is not a de Polignac number, because 313305500321 - 2³⁰ = 312231758497 is a prime.

It is a super-2 number, since 2×313305500321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313305500327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629086 + ... + 1811223.

It is an arithmetic number, because the mean of its divisors is an integer number (22664762280).

Almost surely, 2^313305500321 is an apocalyptic number.

It is an amenable number.

313305500321 is a deficient number, since it is larger than the sum of its proper divisors (49330696159).

313305500321 is a wasteful number, since it uses less digits than its factorization.

313305500321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440824.

The product of its (nonzero) digits is 4050, while the sum is 26.

The spelling of 313305500321 in words is "three hundred thirteen billion, three hundred five million, five hundred thousand, three hundred twenty-one".