313330032120021 has 24 divisors (see below), whose sum is σ = 485987242969440. Its totient is φ = 179043533659872.

The previous prime is 313330032120011. The next prime is 313330032120029. The reversal of 313330032120021 is 120021230033313.

It is not a de Polignac number, because 313330032120021 - 2¹⁵ = 313330032087253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313330032119973 and 313330032120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313330032120029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041811 + ... + 25054848.

It is an arithmetic number, because the mean of its divisors is an integer number (20249468457060).

Almost surely, 2^{313330032120021} is an apocalyptic number.

It is an amenable number.

313330032120021 is a deficient number, since it is larger than the sum of its proper divisors (172657210849419).

313330032120021 is a wasteful number, since it uses less digits than its factorization.

313330032120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26178353 (or 26178346 counting only the distinct ones).

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

Adding to 313330032120021 its reverse (120021230033313), we get a palindrome (433351262153334).

The spelling of 313330032120021 in words is "three hundred thirteen trillion, three hundred thirty billion, thirty-two million, one hundred twenty thousand, twenty-one".