313211021332 has 24 divisors (see below), whose sum is σ = 598076664192. Its totient is φ = 142338086400.

The previous prime is 313211021317. The next prime is 313211021413. The reversal of 313211021332 is 233120112313.

It is a super-2 number, since 2×313211021332² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556044 + ... + 967267.

It is an arithmetic number, because the mean of its divisors is an integer number (24919861008).

Almost surely, 2^313211021332 is an apocalyptic number.

It is an amenable number.

313211021332 is a deficient number, since it is larger than the sum of its proper divisors (284865642860).

313211021332 is a wasteful number, since it uses less digits than its factorization.

313211021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527999 (or 1527997 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313211021332 its reverse (233120112313), we get a palindrome (546331133645).

The spelling of 313211021332 in words is "three hundred thirteen billion, two hundred eleven million, twenty-one thousand, three hundred thirty-two".