113403121304 has 16 divisors (see below), whose sum is σ = 231960930120. Its totient is φ = 51546873280.

The previous prime is 113403121303. The next prime is 113403121357. The reversal of 113403121304 is 403121304311.

It is a super-3 number, since 3×113403121304³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113403121304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403121303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644335829 + ... + 644336004.

Almost surely, 2^113403121304 is an apocalyptic number.

It is an amenable number.

113403121304 is an abundant number, since it is smaller than the sum of its proper divisors (118557808816).

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

113403121304 is a wasteful number, since it uses less digits than its factorization.

113403121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288671850 (or 1288671846 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 113403121304 its reverse (403121304311), we get a palindrome (516524425615).

The spelling of 113403121304 in words is "one hundred thirteen billion, four hundred three million, one hundred twenty-one thousand, three hundred four".