111233413 has 2 divisors, whose sum is σ = 111233414. Its totient is φ = 111233412.

The previous prime is 111233407. The next prime is 111233453. The reversal of 111233413 is 314332111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66048129 + 45185284 = 8127^2 + 6722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111233413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111233453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616706 + 55616707.

It is an arithmetic number, because the mean of its divisors is an integer number (55616707).

Almost surely, 2^111233413 is an apocalyptic number.

It is an amenable number.

111233413 is a deficient number, since it is larger than the sum of its proper divisors (1).

111233413 is an equidigital number, since it uses as much as digits as its factorization.

111233413 is an odious number, because the sum of its binary digits is odd.

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

The square root of 111233413 is about 10546.7252263440. The cubic root of 111233413 is about 480.9261819369.

Adding to 111233413 its reverse (314332111), we get a palindrome (425565524).

The spelling of 111233413 in words is "one hundred eleven million, two hundred thirty-three thousand, four hundred thirteen".