13021403330244 has 24 divisors (see below), whose sum is σ = 30426128158720. Its totient is φ = 4334345816544.

The previous prime is 13021403330237. The next prime is 13021403330251. The reversal of 13021403330244 is 44203330412031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13021403330237) and next prime (13021403330251).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765236164 + ... + 765253179.

Almost surely, 2^{13021403330244} is an apocalyptic number.

It is an amenable number.

13021403330244 is an abundant number, since it is smaller than the sum of its proper divisors (17404724828476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021403330244 is a wasteful number, since it uses less digits than its factorization.

13021403330244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530490059 (or 1530490057 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13021403330244 its reverse (44203330412031), we get a palindrome (57224733742275).

The spelling of 13021403330244 in words is "thirteen trillion, twenty-one billion, four hundred three million, three hundred thirty thousand, two hundred forty-four".