113534631 has 12 divisors (see below), whose sum is σ = 187422352. Its totient is φ = 64876896.

The previous prime is 113534627. The next prime is 113534651. The reversal of 113534631 is 136435311.

It is not a de Polignac number, because 113534631 - 2² = 113534627 is a prime.

It is a super-2 number, since 2×113534631² = 25780224872612322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113534595 and 113534604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113534651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 901006 + ... + 901131.

Almost surely, 2^113534631 is an apocalyptic number.

113534631 is a deficient number, since it is larger than the sum of its proper divisors (73887721).

113534631 is a wasteful number, since it uses less digits than its factorization.

113534631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802150 (or 1802147 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 113534631 is about 10655.2630657342. The cubic root of 113534631 is about 484.2200678875.

Adding to 113534631 its reverse (136435311), we get a palindrome (249969942).

The spelling of 113534631 in words is "one hundred thirteen million, five hundred thirty-four thousand, six hundred thirty-one".