21311302320301 has 12 divisors (see below), whose sum is σ = 25590398574720. Its totient is φ = 17677577960280.

The previous prime is 21311302320221. The next prime is 21311302320359. The reversal of 21311302320301 is 10302320311312.

It is not a de Polignac number, because 21311302320301 - 2²¹ = 21311300223149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21311302320701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7014910371 + ... + 7014913408.

It is an arithmetic number, because the mean of its divisors is an integer number (2132533214560).

Almost surely, 2^{21311302320301} is an apocalyptic number.

It is an amenable number.

21311302320301 is a deficient number, since it is larger than the sum of its proper divisors (4279096254419).

21311302320301 is a wasteful number, since it uses less digits than its factorization.

21311302320301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14029823824 (or 14029823817 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21311302320301 its reverse (10302320311312), we get a palindrome (31613622631613).

The spelling of 21311302320301 in words is "twenty-one trillion, three hundred eleven billion, three hundred two million, three hundred twenty thousand, three hundred one".