113331045320 has 64 divisors (see below), whose sum is σ = 264138289200. Its totient is φ = 43711073280.

The previous prime is 113331045307. The next prime is 113331045337. The reversal of 113331045320 is 23540133311.

It can be written as a sum of positive squares in 8 ways, for example, as 75131906404 + 38199138916 = 274102^2 + 195446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113331045320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813590 + ... + 942650.

Almost surely, 2^113331045320 is an apocalyptic number.

113331045320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113331045320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132069144600).

113331045320 is an abundant number, since it is smaller than the sum of its proper divisors (150807243880).

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

113331045320 is a wasteful number, since it uses less digits than its factorization.

113331045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129858 (or 129854 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 113331045320 its reverse (23540133311), we get a palindrome (136871178631).

The spelling of 113331045320 in words is "one hundred thirteen billion, three hundred thirty-one million, forty-five thousand, three hundred twenty".