21332313013 has 8 divisors (see below), whose sum is σ = 23362168320. Its totient is φ = 19317550080.

The previous prime is 21332312983. The next prime is 21332313043. The reversal of 21332313013 is 31031323312.

It is an interprime number because it is at equal distance from previous prime (21332312983) and next prime (21332313043).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21332313013 - 2³³ = 12742378421 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 (21332313043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3770133 + ... + 3775786.

It is an arithmetic number, because the mean of its divisors is an integer number (2920271040).

Almost surely, 2^21332313013 is an apocalyptic number.

It is an amenable number.

21332313013 is a deficient number, since it is larger than the sum of its proper divisors (2029855307).

21332313013 is a wasteful number, since it uses less digits than its factorization.

21332313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546187.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21332313013 its reverse (31031323312), we get a palindrome (52363636325).

The spelling of 21332313013 in words is "twenty-one billion, three hundred thirty-two million, three hundred thirteen thousand, thirteen".