13203410403 has 32 divisors (see below), whose sum is σ = 19201017600. Its totient is φ = 8042875776.

The previous prime is 13203410387. The next prime is 13203410443. The reversal of 13203410403 is 30401430231.

It is not a de Polignac number, because 13203410403 - 2⁴ = 13203410387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13203410403.

It is not an unprimeable number, because it can be changed into a prime (13203410443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141201 + ... + 215277.

It is an arithmetic number, because the mean of its divisors is an integer number (600031800).

Almost surely, 2^13203410403 is an apocalyptic number.

13203410403 is a deficient number, since it is larger than the sum of its proper divisors (5997607197).

13203410403 is a wasteful number, since it uses less digits than its factorization.

13203410403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74211.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13203410403 its reverse (30401430231), we get a palindrome (43604840634).

The spelling of 13203410403 in words is "thirteen billion, two hundred three million, four hundred ten thousand, four hundred three".