113631530 has 8 divisors (see below), whose sum is σ = 204536772. Its totient is φ = 45452608.

The previous prime is 113631521. The next prime is 113631563. The reversal of 113631530 is 35136311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97042201 + 16589329 = 9851^2 + 4073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×113631530² = 25824249220281800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113631496 and 113631505.

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 3 ways as a sum of consecutive naturals, for example, 5681567 + ... + 5681586.

Almost surely, 2^113631530 is an apocalyptic number.

113631530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113631530 is a deficient number, since it is larger than the sum of its proper divisors (90905242).

113631530 is a wasteful number, since it uses less digits than its factorization.

113631530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363160.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 113631530 is about 10659.8090977278. The cubic root of 113631530 is about 484.3577853334.

Adding to 113631530 its reverse (35136311), we get a palindrome (148767841).

The spelling of 113631530 in words is "one hundred thirteen million, six hundred thirty-one thousand, five hundred thirty".