21301032313 has 8 divisors (see below), whose sum is σ = 23238554976. Its totient is φ = 19363687200.

The previous prime is 21301032301. The next prime is 21301032329. The reversal of 21301032313 is 31323010312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-21301032313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21301032713) 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, 399645 + ... + 449797.

It is an arithmetic number, because the mean of its divisors is an integer number (2904819372).

Almost surely, 2^21301032313 is an apocalyptic number.

It is an amenable number.

21301032313 is a deficient number, since it is larger than the sum of its proper divisors (1937522663).

21301032313 is a wasteful number, since it uses less digits than its factorization.

21301032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88775.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21301032313 its reverse (31323010312), we get a palindrome (52624042625).

The spelling of 21301032313 in words is "twenty-one billion, three hundred one million, thirty-two thousand, three hundred thirteen".