13103040334044 has 48 divisors (see below), whose sum is σ = 33003160081920. Its totient is φ = 4033719560640.

The previous prime is 13103040334039. The next prime is 13103040334081. The reversal of 13103040334044 is 44043304030131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818522752 + ... + 818538759.

It is an arithmetic number, because the mean of its divisors is an integer number (687565835040).

Almost surely, 2^{13103040334044} is an apocalyptic number.

It is an amenable number.

13103040334044 is an abundant number, since it is smaller than the sum of its proper divisors (19900119747876).

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

13103040334044 is a wasteful number, since it uses less digits than its factorization.

13103040334044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637061570 (or 1637061568 counting only the distinct ones).

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

Adding to 13103040334044 its reverse (44043304030131), we get a palindrome (57146344364175).

The spelling of 13103040334044 in words is "thirteen trillion, one hundred three billion, forty million, three hundred thirty-four thousand, forty-four".