21062316313 has 8 divisors (see below), whose sum is σ = 21356574048. Its totient is φ = 20768213664.

The previous prime is 21062316307. The next prime is 21062316337. The reversal of 21062316313 is 31361326012.

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 21062316313 - 2²⁹ = 20525445401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21062316343) 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, 249606 + ... + 323152.

It is an arithmetic number, because the mean of its divisors is an integer number (2669571756).

Almost surely, 2^21062316313 is an apocalyptic number.

It is an amenable number.

21062316313 is a deficient number, since it is larger than the sum of its proper divisors (294257735).

21062316313 is an equidigital number, since it uses as much as digits as its factorization.

21062316313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77543.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 21062316313 in words is "twenty-one billion, sixty-two million, three hundred sixteen thousand, three hundred thirteen".