9113431 has 2 divisors, whose sum is σ = 9113432. Its totient is φ = 9113430.

The previous prime is 9113413. The next prime is 9113501. The reversal of 9113431 is 1343119.

Together with previous prime (9113413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9113431 - 2⁵ = 9113399 is a prime.

It is a super-2 number, since 2×9113431² = 166109249183522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9183431) by changing a digit.

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 as a sum of consecutive naturals, namely, 4556715 + 4556716.

It is an arithmetic number, because the mean of its divisors is an integer number (4556716).

Almost surely, 2^9113431 is an apocalyptic number.

9113431 is a deficient number, since it is larger than the sum of its proper divisors (1).

9113431 is an equidigital number, since it uses as much as digits as its factorization.

9113431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 22.

The square root of 9113431 is about 3018.8459715593. The cubic root of 9113431 is about 208.8786105530.

It can be divided in two parts, 91 and 13431, that multiplied together give a palindrome (1222221).

The spelling of 9113431 in words is "nine million, one hundred thirteen thousand, four hundred thirty-one".