113026631 has 4 divisors (see below), whose sum is σ = 114191952. Its totient is φ = 111861312.

The previous prime is 113026621. The next prime is 113026633. The reversal of 113026631 is 136620311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113026631 - 2⁶ = 113026567 is a prime.

It is a super-2 number, since 2×113026631² = 25550038630420322, 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 = 113026597 and 113026606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113026633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582515 + ... + 582708.

It is an arithmetic number, because the mean of its divisors is an integer number (28547988).

Almost surely, 2^113026631 is an apocalyptic number.

113026631 is a deficient number, since it is larger than the sum of its proper divisors (1165321).

113026631 is an equidigital number, since it uses as much as digits as its factorization.

113026631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165320.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 113026631 is about 10631.3983558138. The cubic root of 113026631 is about 483.4967890544.

Adding to 113026631 its reverse (136620311), we get a palindrome (249646942).

The spelling of 113026631 in words is "one hundred thirteen million, twenty-six thousand, six hundred thirty-one".