113004531 has 8 divisors (see below), whose sum is σ = 167414160. Its totient is φ = 75336336.

The previous prime is 113004509. The next prime is 113004547. The reversal of 113004531 is 135400311.

113004531 is a `hidden beast` number, since 1 + 130 + 0 + 4 + 531 = 666.

It is not a de Polignac number, because 113004531 - 2⁵ = 113004499 is a prime.

It is a super-2 number, since 2×113004531² = 25540048053059922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113004131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092650 + ... + 2092703.

It is an arithmetic number, because the mean of its divisors is an integer number (20926770).

Almost surely, 2^113004531 is an apocalyptic number.

113004531 is a deficient number, since it is larger than the sum of its proper divisors (54409629).

113004531 is an equidigital number, since it uses as much as digits as its factorization.

113004531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185362 (or 4185356 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 113004531 is about 10630.3589309110. The cubic root of 113004531 is about 483.4652744298.

Adding to 113004531 its reverse (135400311), we get a palindrome (248404842).

The spelling of 113004531 in words is "one hundred thirteen million, four thousand, five hundred thirty-one".