113312240 has 40 divisors (see below), whose sum is σ = 264090240. Its totient is φ = 45214976.

The previous prime is 113312201. The next prime is 113312261. The reversal of 113312240 is 42213311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36842 + ... + 39798.

It is an arithmetic number, because the mean of its divisors is an integer number (6602256).

Almost surely, 2^113312240 is an apocalyptic number.

113312240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113312240 is an abundant number, since it is smaller than the sum of its proper divisors (150778000).

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

113312240 is a wasteful number, since it uses less digits than its factorization.

113312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113312240 is about 10644.8222155187. The cubic root of 113312240 is about 483.9036987101.

Adding to 113312240 its reverse (42213311), we get a palindrome (155525551).

The spelling of 113312240 in words is "one hundred thirteen million, three hundred twelve thousand, two hundred forty".