244310310021 has 16 divisors (see below), whose sum is σ = 338451292800. Its totient is φ = 156570485568.

The previous prime is 244310309983. The next prime is 244310310029. The reversal of 244310310021 is 120013013442.

It is a de Polignac number, because none of the positive numbers 2^k-244310310021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244310310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244310310029) 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, 6111441 + ... + 6151286.

It is an arithmetic number, because the mean of its divisors is an integer number (21153205800).

Almost surely, 2^244310310021 is an apocalyptic number.

It is an amenable number.

244310310021 is a deficient number, since it is larger than the sum of its proper divisors (94140982779).

244310310021 is a wasteful number, since it uses less digits than its factorization.

244310310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12262988.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 244310310021 its reverse (120013013442), we get a palindrome (364323323463).

The spelling of 244310310021 in words is "two hundred forty-four billion, three hundred ten million, three hundred ten thousand, twenty-one".