113404202320 has 40 divisors (see below), whose sum is σ = 265344193224. Its totient is φ = 45072748032.

The previous prime is 113404202281. The next prime is 113404202323. The reversal of 113404202320 is 23202404311.

It can be written as a sum of positive squares in 4 ways, for example, as 1618291984 + 111785910336 = 40228^2 + 334344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 113404202291 and 113404202300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113404202323) 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 7 ways as a sum of consecutive naturals, for example, 4501939 + ... + 4527058.

Almost surely, 2^113404202320 is an apocalyptic number.

113404202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113404202320 is an abundant number, since it is smaller than the sum of its proper divisors (151939990904).

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

113404202320 is a wasteful number, since it uses less digits than its factorization.

113404202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029167 (or 9029161 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 113404202320 its reverse (23202404311), we get a palindrome (136606606631).

The spelling of 113404202320 in words is "one hundred thirteen billion, four hundred four million, two hundred two thousand, three hundred twenty".