11204231 has 2 divisors, whose sum is σ = 11204232. Its totient is φ = 11204230.

The previous prime is 11204213. The next prime is 11204257. The reversal of 11204231 is 13240211.

Together with previous prime (11204213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11204231 is a prime.

It is a super-2 number, since 2×11204231² = 251069584602722, 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 (11204261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5602115 + 5602116.

It is an arithmetic number, because the mean of its divisors is an integer number (5602116).

Almost surely, 2^11204231 is an apocalyptic number.

11204231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11204231 is an equidigital number, since it uses as much as digits as its factorization.

11204231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11204231 is about 3347.2721729791. The cubic root of 11204231 is about 223.7659585176.

Adding to 11204231 its reverse (13240211), we get a palindrome (24444442).

The spelling of 11204231 in words is "eleven million, two hundred four thousand, two hundred thirty-one".