113630631 has 8 divisors (see below), whose sum is σ = 154731264. Its totient is φ = 74141880.

The previous prime is 113630623. The next prime is 113630651. The reversal of 113630631 is 136036311.

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

It is not a de Polignac number, because 113630631 - 2³ = 113630623 is a prime.

It is a super-2 number, since 2×113630631² = 25823840602916322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113630651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402805 + ... + 403086.

It is an arithmetic number, because the mean of its divisors is an integer number (19341408).

Almost surely, 2^113630631 is an apocalyptic number.

113630631 is a deficient number, since it is larger than the sum of its proper divisors (41100633).

113630631 is an equidigital number, since it uses as much as digits as its factorization.

113630631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805941.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 113630631 is about 10659.7669299099. The cubic root of 113630631 is about 484.3565079919.

Adding to 113630631 its reverse (136036311), we get a palindrome (249666942).

The spelling of 113630631 in words is "one hundred thirteen million, six hundred thirty thousand, six hundred thirty-one".