13113203404 has 18 divisors (see below), whose sum is σ = 26694735900. Its totient is φ = 5619944232.

The previous prime is 13113203393. The next prime is 13113203429. The reversal of 13113203404 is 40430231131.

It is a super-2 number, since 2×13113203404² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33451854 + ... + 33452245.

Almost surely, 2^13113203404 is an apocalyptic number.

13113203404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13113203404 is an abundant number, since it is smaller than the sum of its proper divisors (13581532496).

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

13113203404 is a wasteful number, since it uses less digits than its factorization.

13113203404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66904117 (or 66904108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13113203404 its reverse (40430231131), we get a palindrome (53543434535).

The spelling of 13113203404 in words is "thirteen billion, one hundred thirteen million, two hundred three thousand, four hundred four".