13100721326 has 16 divisors (see below), whose sum is σ = 24500050560. Its totient is φ = 5104177080.

The previous prime is 13100721299. The next prime is 13100721341. The reversal of 13100721326 is 62312700131.

13100721326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13100721326² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13100721295 and 13100721304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42534656 + ... + 42534963.

It is an arithmetic number, because the mean of its divisors is an integer number (1531253160).

Almost surely, 2^13100721326 is an apocalyptic number.

13100721326 is a deficient number, since it is larger than the sum of its proper divisors (11399329234).

13100721326 is a wasteful number, since it uses less digits than its factorization.

13100721326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85069639.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 13100721326 in words is "thirteen billion, one hundred million, seven hundred twenty-one thousand, three hundred twenty-six".