20130221322313 has 4 divisors (see below), whose sum is σ = 20250761569920. Its totient is φ = 20009681074708.

The previous prime is 20130221322271. The next prime is 20130221322413. The reversal of 20130221322313 is 31322312203102.

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 20130221322313 - 2⁹ = 20130221321801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130221322413) 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, 60270123553 + ... + 60270123886.

It is an arithmetic number, because the mean of its divisors is an integer number (5062690392480).

Almost surely, 2^{20130221322313} is an apocalyptic number.

It is an amenable number.

20130221322313 is a deficient number, since it is larger than the sum of its proper divisors (120540247607).

20130221322313 is a wasteful number, since it uses less digits than its factorization.

20130221322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120540247606.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20130221322313 its reverse (31322312203102), we get a palindrome (51452533525415).

The spelling of 20130221322313 in words is "twenty trillion, one hundred thirty billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred thirteen".