113312340 has 36 divisors (see below), whose sum is σ = 343714644. Its totient is φ = 30216576.

The previous prime is 113312299. The next prime is 113312341. The reversal of 113312340 is 43213311.

113312340 is a `hidden beast` number, since 1 + 13 + 312 + 340 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56340036 + 56972304 = 7506^2 + 7548^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113312341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314577 + ... + 314936.

It is an arithmetic number, because the mean of its divisors is an integer number (9547629).

Almost surely, 2^113312340 is an apocalyptic number.

113312340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113312340 is an abundant number, since it is smaller than the sum of its proper divisors (230402304).

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

113312340 is a wasteful number, since it uses less digits than its factorization.

113312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629528 (or 629523 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113312340 is about 10644.8269126370. The cubic root of 113312340 is about 483.9038410612.

Adding to 113312340 its reverse (43213311), we get a palindrome (156525651).

The spelling of 113312340 in words is "one hundred thirteen million, three hundred twelve thousand, three hundred forty".