10310313510021 has 24 divisors (see below), whose sum is σ = 16001804193984. Its totient is φ = 5887813895040.

The previous prime is 10310313509933. The next prime is 10310313510037. The reversal of 10310313510021 is 12001531301301.

It is not a de Polignac number, because 10310313510021 - 2²² = 10310309315717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10310313510021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10310313510421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22353225 + ... + 22809806.

It is an arithmetic number, because the mean of its divisors is an integer number (666741841416).

Almost surely, 2^{10310313510021} is an apocalyptic number.

It is an amenable number.

10310313510021 is a deficient number, since it is larger than the sum of its proper divisors (5691490683963).

10310313510021 is a wasteful number, since it uses less digits than its factorization.

10310313510021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45164601 (or 45164594 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 10310313510021 its reverse (12001531301301), we get a palindrome (22311844811322).

The spelling of 10310313510021 in words is "ten trillion, three hundred ten billion, three hundred thirteen million, five hundred ten thousand, twenty-one".