113531004 has 96 divisors (see below), whose sum is σ = 315257600. Its totient is φ = 35225280.

The previous prime is 113530999. The next prime is 113531017. The reversal of 113531004 is 400135311.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124719 + ... + 125625.

Almost surely, 2^113531004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113531004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157628800).

113531004 is an abundant number, since it is smaller than the sum of its proper divisors (201726596).

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

113531004 is a wasteful number, since it uses less digits than its factorization.

113531004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 992 counting only the distinct ones).

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

The square root of 113531004 is about 10655.0928667938. The cubic root of 113531004 is about 484.2149115023.

Adding to 113531004 its reverse (400135311), we get a palindrome (513666315).

The spelling of 113531004 in words is "one hundred thirteen million, five hundred thirty-one thousand, four".