313122011303321 has 4 divisors (see below), whose sum is σ = 341587648694544. Its totient is φ = 284656373912100.

The previous prime is 313122011303293. The next prime is 313122011303393. The reversal of 313122011303321 is 123303110221313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313122011303321 - 2²⁶ = 313121944194457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313122011300321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14232818695595 + ... + 14232818695616.

It is an arithmetic number, because the mean of its divisors is an integer number (85396912173636).

Almost surely, 2^{313122011303321} is an apocalyptic number.

It is an amenable number.

313122011303321 is a deficient number, since it is larger than the sum of its proper divisors (28465637391223).

313122011303321 is a wasteful number, since it uses less digits than its factorization.

313122011303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28465637391222.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 313122011303321 its reverse (123303110221313), we get a palindrome (436425121524634).

The spelling of 313122011303321 in words is "three hundred thirteen trillion, one hundred twenty-two billion, eleven million, three hundred three thousand, three hundred twenty-one".