11231400331 has 2 divisors, whose sum is σ = 11231400332. Its totient is φ = 11231400330.

The previous prime is 11231400329. The next prime is 11231400371. The reversal of 11231400331 is 13300413211.

11231400331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11231400331 - 2¹ = 11231400329 is a prime.

It is a super-3 number, since 3×11231400331³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 11231400329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11231400299 and 11231400308.

It is not a weakly prime, because it can be changed into another prime (11231400371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615700165 + 5615700166.

It is an arithmetic number, because the mean of its divisors is an integer number (5615700166).

Almost surely, 2^11231400331 is an apocalyptic number.

11231400331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231400331 is an equidigital number, since it uses as much as digits as its factorization.

11231400331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11231400331 its reverse (13300413211), we get a palindrome (24531813542).

The spelling of 11231400331 in words is "eleven billion, two hundred thirty-one million, four hundred thousand, three hundred thirty-one".