313122033321 has 4 divisors (see below), whose sum is σ = 417496044432. Its totient is φ = 208748022212.

The previous prime is 313122033253. The next prime is 313122033331. The reversal of 313122033321 is 123330221313.

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 313122033321 - 2¹⁴ = 313122016937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313122033291 and 313122033300.

It is not an unprimeable number, because it can be changed into a prime (313122033331) 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 3 ways as a sum of consecutive naturals, for example, 52187005551 + ... + 52187005556.

It is an arithmetic number, because the mean of its divisors is an integer number (104374011108).

Almost surely, 2^313122033321 is an apocalyptic number.

It is an amenable number.

313122033321 is a deficient number, since it is larger than the sum of its proper divisors (104374011111).

313122033321 is a wasteful number, since it uses less digits than its factorization.

313122033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104374011110.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 313122033321 its reverse (123330221313), we get a palindrome (436452254634).

The spelling of 313122033321 in words is "three hundred thirteen billion, one hundred twenty-two million, thirty-three thousand, three hundred twenty-one".