320322332013 has 4 divisors (see below), whose sum is σ = 427096442688. Its totient is φ = 213548221340.

The previous prime is 320322331991. The next prime is 320322332017. The reversal of 320322332013 is 310233223023.

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 320322332013 - 2⁶ = 320322331949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320322332017) 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, 53387055333 + ... + 53387055338.

It is an arithmetic number, because the mean of its divisors is an integer number (106774110672).

Almost surely, 2^320322332013 is an apocalyptic number.

It is an amenable number.

320322332013 is a deficient number, since it is larger than the sum of its proper divisors (106774110675).

320322332013 is a wasteful number, since it uses less digits than its factorization.

320322332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106774110674.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 320322332013 its reverse (310233223023), we get a palindrome (630555555036).

The spelling of 320322332013 in words is "three hundred twenty billion, three hundred twenty-two million, three hundred thirty-two thousand, thirteen".