21313012301 has 16 divisors (see below), whose sum is σ = 24515688960. Its totient is φ = 18150203520.

The previous prime is 21313012297. The next prime is 21313012333. The reversal of 21313012301 is 10321031312.

It is a cyclic number.

It is not a de Polignac number, because 21313012301 - 2² = 21313012297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21313012301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313015301) 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, 675641 + ... + 706481.

It is an arithmetic number, because the mean of its divisors is an integer number (1532230560).

Almost surely, 2^21313012301 is an apocalyptic number.

It is an amenable number.

21313012301 is a deficient number, since it is larger than the sum of its proper divisors (3202676659).

21313012301 is a wasteful number, since it uses less digits than its factorization.

21313012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31484.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21313012301 its reverse (10321031312), we get a palindrome (31634043613).

The spelling of 21313012301 in words is "twenty-one billion, three hundred thirteen million, twelve thousand, three hundred one".