313012323321 has 4 divisors (see below), whose sum is σ = 417349764432. Its totient is φ = 208674882212.

The previous prime is 313012323271. The next prime is 313012323341. The reversal of 313012323321 is 123323210313.

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 313012323321 - 2⁷ = 313012323193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313012323291 and 313012323300.

It is not an unprimeable number, because it can be changed into a prime (313012323341) 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, 52168720551 + ... + 52168720556.

It is an arithmetic number, because the mean of its divisors is an integer number (104337441108).

Almost surely, 2^313012323321 is an apocalyptic number.

It is an amenable number.

313012323321 is a deficient number, since it is larger than the sum of its proper divisors (104337441111).

313012323321 is a wasteful number, since it uses less digits than its factorization.

313012323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104337441110.

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

Adding to 313012323321 its reverse (123323210313), we get a palindrome (436335533634).

The spelling of 313012323321 in words is "three hundred thirteen billion, twelve million, three hundred twenty-three thousand, three hundred twenty-one".