21023031301 has 8 divisors (see below), whose sum is σ = 21545383104. Its totient is φ = 20501136480.

The previous prime is 21023031299. The next prime is 21023031307. The reversal of 21023031301 is 10313032012.

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 21023031301 - 2¹ = 21023031299 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 (21023031307) 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, 20145 + ... + 206038.

It is an arithmetic number, because the mean of its divisors is an integer number (2693172888).

Almost surely, 2^21023031301 is an apocalyptic number.

It is an amenable number.

21023031301 is a deficient number, since it is larger than the sum of its proper divisors (522351803).

21023031301 is a wasteful number, since it uses less digits than its factorization.

21023031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228491.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21023031301 its reverse (10313032012), we get a palindrome (31336063313).

The spelling of 21023031301 in words is "twenty-one billion, twenty-three million, thirty-one thousand, three hundred one".