11255230331 has 2 divisors, whose sum is σ = 11255230332. Its totient is φ = 11255230330.

The previous prime is 11255230321. The next prime is 11255230369. The reversal of 11255230331 is 13303255211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11255230331 - 2²⁶ = 11188121467 is a prime.

It is a super-2 number, since 2×11255230331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11255230331.

It is not a weakly prime, because it can be changed into another prime (11255230321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627615165 + 5627615166.

It is an arithmetic number, because the mean of its divisors is an integer number (5627615166).

Almost surely, 2^11255230331 is an apocalyptic number.

11255230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11255230331 is an equidigital number, since it uses as much as digits as its factorization.

11255230331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 11255230331 its reverse (13303255211), we get a palindrome (24558485542).

The spelling of 11255230331 in words is "eleven billion, two hundred fifty-five million, two hundred thirty thousand, three hundred thirty-one".