11333131 has 2 divisors, whose sum is σ = 11333132. Its totient is φ = 11333130.

The previous prime is 11333111. The next prime is 11333167. The reversal of 11333131 is 13133311.

11333131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13133311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11333131 - 2²¹ = 9235979 is a prime.

It is a super-2 number, since 2×11333131² = 256879716526322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11333111) 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, 5666565 + 5666566.

It is an arithmetic number, because the mean of its divisors is an integer number (5666566).

Almost surely, 2^11333131 is an apocalyptic number.

11333131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333131 is an equidigital number, since it uses as much as digits as its factorization.

11333131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81, while the sum is 16.

The square root of 11333131 is about 3366.4715950086. The cubic root of 11333131 is about 224.6207999636.

Adding to 11333131 its reverse (13133311), we get a palindrome (24466442).

The spelling of 11333131 in words is "eleven million, three hundred thirty-three thousand, one hundred thirty-one".