322140530213 has 4 divisors (see below), whose sum is σ = 322166320140. Its totient is φ = 322114740288.

The previous prime is 322140530209. The next prime is 322140530219. The reversal of 322140530213 is 312035041223.

It is a happy number.

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 237458366209 + 84682164004 = 487297^2 + 291002^2 .

It is a cyclic number.

It is not a de Polignac number, because 322140530213 - 2² = 322140530209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322140530219) 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, 12876218 + ... + 12901211.

It is an arithmetic number, because the mean of its divisors is an integer number (80541580035).

Almost surely, 2^322140530213 is an apocalyptic number.

It is an amenable number.

322140530213 is a deficient number, since it is larger than the sum of its proper divisors (25789927).

322140530213 is a wasteful number, since it uses less digits than its factorization.

322140530213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25789926.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 322140530213 its reverse (312035041223), we get a palindrome (634175571436).

The spelling of 322140530213 in words is "three hundred twenty-two billion, one hundred forty million, five hundred thirty thousand, two hundred thirteen".