313330121332 has 12 divisors (see below), whose sum is σ = 548348588676. Its totient is φ = 156659096000.

The previous prime is 313330121281. The next prime is 313330121333. The reversal of 313330121332 is 233121033313.

It can be written as a sum of positive squares in 2 ways, for example, as 235133828836 + 78196292496 = 484906^2 + 279636^2 .

It is a super-4 number, since 4×313330121332⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313330121297 and 313330121306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313330121333) 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, 1371913 + ... + 1583920.

It is an arithmetic number, because the mean of its divisors is an integer number (45695715723).

Almost surely, 2^313330121332 is an apocalyptic number.

It is an amenable number.

313330121332 is a deficient number, since it is larger than the sum of its proper divisors (235018467344).

313330121332 is a wasteful number, since it uses less digits than its factorization.

313330121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982338 (or 2982336 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 313330121332 its reverse (233121033313), we get a palindrome (546451154645).

The spelling of 313330121332 in words is "three hundred thirteen billion, three hundred thirty million, one hundred twenty-one thousand, three hundred thirty-two".