113131326 has 32 divisors (see below), whose sum is σ = 282094848. Its totient is φ = 29384640.

The previous prime is 113131321. The next prime is 113131331. The reversal of 113131326 is 623131311.

It is an interprime number because it is at equal distance from previous prime (113131321) and next prime (113131331).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121975 + ... + 122898.

It is an arithmetic number, because the mean of its divisors is an integer number (8815464).

Almost surely, 2^113131326 is an apocalyptic number.

113131326 is an abundant number, since it is smaller than the sum of its proper divisors (168963522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113131326 is a wasteful number, since it uses less digits than its factorization.

113131326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244896.

The product of its digits is 324, while the sum is 21.

The square root of 113131326 is about 10636.3210745069. The cubic root of 113131326 is about 483.6460284400.

Adding to 113131326 its reverse (623131311), we get a palindrome (736262637).

The spelling of 113131326 in words is "one hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-six".