322132320613 has 4 divisors (see below), whose sum is σ = 324983049228. Its totient is φ = 319281592000.

The previous prime is 322132320607. The next prime is 322132320649. The reversal of 322132320613 is 316023231223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14526757729 + 307605562884 = 120527^2 + 554622^2 .

It is a cyclic number.

It is not a de Polignac number, because 322132320613 - 2²⁹ = 321595449701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322132320683) 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, 1425364138 + ... + 1425364363.

It is an arithmetic number, because the mean of its divisors is an integer number (81245762307).

Almost surely, 2^322132320613 is an apocalyptic number.

It is an amenable number.

322132320613 is a deficient number, since it is larger than the sum of its proper divisors (2850728615).

322132320613 is a wasteful number, since it uses less digits than its factorization.

322132320613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850728614.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 322132320613 its reverse (316023231223), we get a palindrome (638155551836).

The spelling of 322132320613 in words is "three hundred twenty-two billion, one hundred thirty-two million, three hundred twenty thousand, six hundred thirteen".