21313023032001 has 16 divisors (see below), whose sum is σ = 28430283712896. Its totient is φ = 14202223216896.

The previous prime is 21313023031999. The next prime is 21313023032033. The reversal of 21313023032001 is 10023032031312.

It is not a de Polignac number, because 21313023032001 - 2¹ = 21313023031999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21313023032201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87017956 + ... + 87262538.

It is an arithmetic number, because the mean of its divisors is an integer number (1776892732056).

Almost surely, 2^{21313023032001} is an apocalyptic number.

It is an amenable number.

21313023032001 is a deficient number, since it is larger than the sum of its proper divisors (7117260680895).

21313023032001 is a wasteful number, since it uses less digits than its factorization.

21313023032001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257672.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21313023032001 its reverse (10023032031312), we get a palindrome (31336055063313).

The spelling of 21313023032001 in words is "twenty-one trillion, three hundred thirteen billion, twenty-three million, thirty-two thousand, one".