13102971903 has 48 divisors (see below), whose sum is σ = 22389159936. Its totient is φ = 7226055360.

The previous prime is 13102971853. The next prime is 13102971907. The reversal of 13102971903 is 30917920131.

It is a happy number.

13102971903 is a nontrivial binomial coefficient, being equal to C(161883, 2).

It is not a de Polignac number, because 13102971903 - 2¹² = 13102967807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102971907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 719476 + ... + 737462.

It is an arithmetic number, because the mean of its divisors is an integer number (466440832).

Almost surely, 2^13102971903 is an apocalyptic number.

13102971903 is the 161882-nd triangular number.

13102971903 is a deficient number, since it is larger than the sum of its proper divisors (9286188033).

13102971903 is a wasteful number, since it uses less digits than its factorization.

13102971903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18404 (or 18401 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The spelling of 13102971903 in words is "thirteen billion, one hundred two million, nine hundred seventy-one thousand, nine hundred three".