11230391 has 2 divisors, whose sum is σ = 11230392. Its totient is φ = 11230390.

The previous prime is 11230381. The next prime is 11230441. The reversal of 11230391 is 19303211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11230391 - 2⁶ = 11230327 is a prime.

It is a super-2 number, since 2×11230391² = 252243364025762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615195 + 5615196.

It is an arithmetic number, because the mean of its divisors is an integer number (5615196).

Almost surely, 2^11230391 is an apocalyptic number.

11230391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230391 is an equidigital number, since it uses as much as digits as its factorization.

11230391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 11230391 is about 3351.1775542337. The cubic root of 11230391 is about 223.9399751476.

It can be divided in two parts, 112 and 30391, that added together give a palindrome (30503).

The spelling of 11230391 in words is "eleven million, two hundred thirty thousand, three hundred ninety-one".