11893331 has 2 divisors, whose sum is σ = 11893332. Its totient is φ = 11893330.

The previous prime is 11893313. The next prime is 11893333. The reversal of 11893331 is 13339811.

11893331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11893313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13339811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11893331 - 2¹⁸ = 11631187 is a prime.

It is a super-2 number, since 2×11893331² = 282902644551122, which contains 22 as substring.

Together with 11893333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11893294 and 11893303.

It is not a weakly prime, because it can be changed into another prime (11893333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946665 + 5946666.

It is an arithmetic number, because the mean of its divisors is an integer number (5946666).

Almost surely, 2^11893331 is an apocalyptic number.

11893331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11893331 is an equidigital number, since it uses as much as digits as its factorization.

11893331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 11893331 is about 3448.6709034061. The cubic root of 11893331 is about 228.2624644942.

The spelling of 11893331 in words is "eleven million, eight hundred ninety-three thousand, three hundred thirty-one".