10303244340021 has 8 divisors (see below), whose sum is σ = 15264065688960. Its totient is φ = 6868829559996.

The previous prime is 10303244340019. The next prime is 10303244340097. The reversal of 10303244340021 is 12004344230301.

10303244340021 is a `hidden beast` number, since 10 + 3 + 0 + 3 + 244 + 3 + 400 + 2 + 1 = 666.

10303244340021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10303244340021 - 2¹ = 10303244340019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 381601642223 = 10303244340021 / (1 + 0 + 3 + 0 + 3 + 2 + 4 + 4 + 3 + 4 + 0 + 0 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303244340121) 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, 190800821085 + ... + 190800821138.

It is an arithmetic number, because the mean of its divisors is an integer number (1908008211120).

Almost surely, 2^{10303244340021} is an apocalyptic number.

It is an amenable number.

10303244340021 is a deficient number, since it is larger than the sum of its proper divisors (4960821348939).

10303244340021 is an equidigital number, since it uses as much as digits as its factorization.

10303244340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381601642232 (or 381601642226 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 10303244340021 its reverse (12004344230301), we get a palindrome (22307588570322).

The spelling of 10303244340021 in words is "ten trillion, three hundred three billion, two hundred forty-four million, three hundred forty thousand, twenty-one".