11232731 has 2 divisors, whose sum is σ = 11232732. Its totient is φ = 11232730.

The previous prime is 11232713. The next prime is 11232791. The reversal of 11232731 is 13723211.

Together with previous prime (11232713) 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 11232731 - 2¹⁴ = 11216347 is a prime.

It is a super-2 number, since 2×11232731² = 252348491436722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11232791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616365 + 5616366.

It is an arithmetic number, because the mean of its divisors is an integer number (5616366).

Almost surely, 2^11232731 is an apocalyptic number.

11232731 is a deficient number, since it is larger than the sum of its proper divisors (1).

11232731 is an equidigital number, since it uses as much as digits as its factorization.

11232731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 20.

The square root of 11232731 is about 3351.5266670579. The cubic root of 11232731 is about 223.9555276827.

Adding to 11232731 its reverse (13723211), we get a palindrome (24955942).

The spelling of 11232731 in words is "eleven million, two hundred thirty-two thousand, seven hundred thirty-one".