313211320332 has 12 divisors (see below), whose sum is σ = 730826414136. Its totient is φ = 104403773440.

The previous prime is 313211320319. The next prime is 313211320351. The reversal of 313211320332 is 233023112313.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×313211320332² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13050471669 + ... + 13050471692.

It is an arithmetic number, because the mean of its divisors is an integer number (60902201178).

Almost surely, 2^313211320332 is an apocalyptic number.

It is an amenable number.

313211320332 is an abundant number, since it is smaller than the sum of its proper divisors (417615093804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313211320332 is a wasteful number, since it uses less digits than its factorization.

313211320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26100943368 (or 26100943366 counting only the distinct ones).

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

Adding to 313211320332 its reverse (233023112313), we get a palindrome (546234432645).

The spelling of 313211320332 in words is "three hundred thirteen billion, two hundred eleven million, three hundred twenty thousand, three hundred thirty-two".