11345231 has 2 divisors, whose sum is σ = 11345232. Its totient is φ = 11345230.

The previous prime is 11345227. The next prime is 11345237. The reversal of 11345231 is 13254311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11345231 - 2² = 11345227 is a prime.

It is a super-2 number, since 2×11345231² = 257428532886722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11345237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672615 + 5672616.

It is an arithmetic number, because the mean of its divisors is an integer number (5672616).

Almost surely, 2^11345231 is an apocalyptic number.

11345231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11345231 is an equidigital number, since it uses as much as digits as its factorization.

11345231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 11345231 is about 3368.2682494124. The cubic root of 11345231 is about 224.7007115367.

Adding to 11345231 its reverse (13254311), we get a palindrome (24599542).

The spelling of 11345231 in words is "eleven million, three hundred forty-five thousand, two hundred thirty-one".