113031225 has 36 divisors (see below), whose sum is σ = 205046400. Its totient is φ = 59510880.

The previous prime is 113031199. The next prime is 113031227. The reversal of 113031225 is 522130311.

It is not a de Polignac number, because 113031225 - 2⁷ = 113031097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113031198 and 113031207.

It is not an unprimeable number, because it can be changed into a prime (113031227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14596 + ... + 20954.

Almost surely, 2^113031225 is an apocalyptic number.

113031225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113031225 is a deficient number, since it is larger than the sum of its proper divisors (92015175).

113031225 is a wasteful number, since it uses less digits than its factorization.

113031225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454 (or 6446 counting only the distinct ones).

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

The square root of 113031225 is about 10631.6144117439. The cubic root of 113031225 is about 483.5033395877.

Adding to 113031225 its reverse (522130311), we get a palindrome (635161536).

The spelling of 113031225 in words is "one hundred thirteen million, thirty-one thousand, two hundred twenty-five".