313323420321 has 8 divisors (see below), whose sum is σ = 464182844960. Its totient is φ = 208882280196.

The previous prime is 313323420307. The next prime is 313323420359. The reversal of 313323420321 is 123024323313.

313323420321 is a `hidden beast` number, since 3 + 1 + 332 + 3 + 4 + 2 + 0 + 321 = 666.

It is not a de Polignac number, because 313323420321 - 2²¹ = 313321323169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11604571123 = 313323420321 / (3 + 1 + 3 + 3 + 2 + 3 + 4 + 2 + 0 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313323421321) 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, 5802285535 + ... + 5802285588.

It is an arithmetic number, because the mean of its divisors is an integer number (58022855620).

Almost surely, 2^313323420321 is an apocalyptic number.

It is an amenable number.

313323420321 is a deficient number, since it is larger than the sum of its proper divisors (150859424639).

313323420321 is a wasteful number, since it uses less digits than its factorization.

313323420321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11604571132 (or 11604571126 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 313323420321 its reverse (123024323313), we get a palindrome (436347743634).

The spelling of 313323420321 in words is "three hundred thirteen billion, three hundred twenty-three million, four hundred twenty thousand, three hundred twenty-one".