21303401301 has 96 divisors (see below), whose sum is σ = 41355774720. Its totient is φ = 10575691776.

The previous prime is 21303401281. The next prime is 21303401303. The reversal of 21303401301 is 10310430312.

21303401301 is a `hidden beast` number, since 21 + 3 + 0 + 340 + 1 + 301 = 666.

It is not a de Polignac number, because 21303401301 - 2⁵ = 21303401269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303401303) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 523381 + ... + 562613.

It is an arithmetic number, because the mean of its divisors is an integer number (430789320).

Almost surely, 2^21303401301 is an apocalyptic number.

21303401301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21303401301 is a deficient number, since it is larger than the sum of its proper divisors (20052373419).

21303401301 is a wasteful number, since it uses less digits than its factorization.

21303401301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39292 (or 39273 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21303401301 its reverse (10310430312), we get a palindrome (31613831613).

The spelling of 21303401301 in words is "twenty-one billion, three hundred three million, four hundred one thousand, three hundred one".