113531607 has 24 divisors (see below), whose sum is σ = 193883040. Its totient is φ = 62637120.

The previous prime is 113531603. The next prime is 113531609. The reversal of 113531607 is 706135311.

113531607 is a `hidden beast` number, since 1 + 1 + 3 + 53 + 1 + 607 = 666.

It is not a de Polignac number, because 113531607 - 2² = 113531603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113531603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29244 + ... + 32897.

It is an arithmetic number, because the mean of its divisors is an integer number (8078460).

Almost surely, 2^113531607 is an apocalyptic number.

113531607 is a deficient number, since it is larger than the sum of its proper divisors (80351433).

113531607 is a wasteful number, since it uses less digits than its factorization.

113531607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62183 (or 62180 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 113531607 is about 10655.1211630840. The cubic root of 113531607 is about 484.2157687749.

Adding to 113531607 its reverse (706135311), we get a palindrome (819666918).

The spelling of 113531607 in words is "one hundred thirteen million, five hundred thirty-one thousand, six hundred seven".