13302031320021 has 16 divisors (see below), whose sum is σ = 18507259002240. Its totient is φ = 8482415800320.

The previous prime is 13302031319981. The next prime is 13302031320029. The reversal of 13302031320021 is 12002313020331.

It is not a de Polignac number, because 13302031320021 - 2²¹ = 13302029222869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13302031320021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302031320029) 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, 26409981 + ... + 26908941.

It is an arithmetic number, because the mean of its divisors is an integer number (1156703687640).

Almost surely, 2^{13302031320021} is an apocalyptic number.

It is an amenable number.

13302031320021 is a deficient number, since it is larger than the sum of its proper divisors (5205227682219).

13302031320021 is a wasteful number, since it uses less digits than its factorization.

13302031320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885356.

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

Adding to 13302031320021 its reverse (12002313020331), we get a palindrome (25304344340352).

The spelling of 13302031320021 in words is "thirteen trillion, three hundred two billion, thirty-one million, three hundred twenty thousand, twenty-one".