313020202321 has 8 divisors (see below), whose sum is σ = 325047376584. Its totient is φ = 301202196480.

The previous prime is 313020202277. The next prime is 313020202351. The reversal of 313020202321 is 123202020313.

It can be written as a sum of positive squares in 4 ways, for example, as 61658352721 + 251361849600 = 248311^2 + 501360^2 .

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 313020202321 - 2²⁵ = 312986647889 is a prime.

It is a super-2 number, since 2×313020202321² (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 (313020202351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52289056 + ... + 52295041.

It is an arithmetic number, because the mean of its divisors is an integer number (40630922073).

Almost surely, 2^313020202321 is an apocalyptic number.

It is an amenable number.

313020202321 is a deficient number, since it is larger than the sum of its proper divisors (12027174263).

313020202321 is a wasteful number, since it uses less digits than its factorization.

313020202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104584211.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 313020202321 its reverse (123202020313), we get a palindrome (436222222634).

The spelling of 313020202321 in words is "three hundred thirteen billion, twenty million, two hundred two thousand, three hundred twenty-one".