21132313003013 has 4 divisors (see below), whose sum is σ = 21147418303200. Its totient is φ = 21117207702828.

The previous prime is 21132313002989. The next prime is 21132313003051. The reversal of 21132313003013 is 31030031323112.

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 21132313003013 - 2⁶ = 21132313002949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21132313003013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132313003073) 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, 7552647995 + ... + 7552650792.

It is an arithmetic number, because the mean of its divisors is an integer number (5286854575800).

Almost surely, 2^{21132313003013} is an apocalyptic number.

It is an amenable number.

21132313003013 is a deficient number, since it is larger than the sum of its proper divisors (15105300187).

21132313003013 is a wasteful number, since it uses less digits than its factorization.

21132313003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105300186.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21132313003013 its reverse (31030031323112), we get a palindrome (52162344326125).

The spelling of 21132313003013 in words is "twenty-one trillion, one hundred thirty-two billion, three hundred thirteen million, three thousand, thirteen".