313220002020321 has 16 divisors (see below), whose sum is σ = 455873786877888. Its totient is φ = 189713197310400.

The previous prime is 313220002020307. The next prime is 313220002020337. The reversal of 313220002020321 is 123020200022313.

It is a happy number.

It is not a de Polignac number, because 313220002020321 - 2²⁵ = 313219968465889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313220002020521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2927619306 + ... + 2927726291.

It is an arithmetic number, because the mean of its divisors is an integer number (28492111679868).

Almost surely, 2^{313220002020321} is an apocalyptic number.

It is an amenable number.

313220002020321 is a deficient number, since it is larger than the sum of its proper divisors (142653784857567).

313220002020321 is a wasteful number, since it uses less digits than its factorization.

313220002020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855347232.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 313220002020321 its reverse (123020200022313), we get a palindrome (436240202042634).

The spelling of 313220002020321 in words is "three hundred thirteen trillion, two hundred twenty billion, two million, twenty thousand, three hundred twenty-one".