113531450 has 48 divisors (see below), whose sum is σ = 221771520. Its totient is φ = 43158720.

The previous prime is 113531449. The next prime is 113531471. The reversal of 113531450 is 54135311.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 23 ways as a sum of consecutive naturals, for example, 309167 + ... + 309533.

It is an arithmetic number, because the mean of its divisors is an integer number (4620240).

Almost surely, 2^113531450 is an apocalyptic number.

113531450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113531450 is a deficient number, since it is larger than the sum of its proper divisors (108240070).

113531450 is a wasteful number, since it uses less digits than its factorization.

113531450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 113531450 is about 10655.1137957321. The cubic root of 113531450 is about 484.2155455715.

Adding to 113531450 its reverse (54135311), we get a palindrome (167666761).

The spelling of 113531450 in words is "one hundred thirteen million, five hundred thirty-one thousand, four hundred fifty".