21010300313 has 8 divisors (see below), whose sum is σ = 21790845696. Its totient is φ = 20236179600.

The previous prime is 21010300279. The next prime is 21010300331. The reversal of 21010300313 is 31300301012.

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 21010300313 - 2⁸ = 21010300057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21010300373) 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, 1599506 + ... + 1612587.

It is an arithmetic number, because the mean of its divisors is an integer number (2723855712).

Almost surely, 2^21010300313 is an apocalyptic number.

It is an amenable number.

21010300313 is a deficient number, since it is larger than the sum of its proper divisors (780545383).

21010300313 is a wasteful number, since it uses less digits than its factorization.

21010300313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212335.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 21010300313 its reverse (31300301012), we get a palindrome (52310601325).

The spelling of 21010300313 in words is "twenty-one billion, ten million, three hundred thousand, three hundred thirteen".