111344413 has 2 divisors, whose sum is σ = 111344414. Its totient is φ = 111344412.

The previous prime is 111344399. The next prime is 111344447. The reversal of 111344413 is 314443111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90212004 + 21132409 = 9498^2 + 4597^2 .

It is an emirp because it is prime and its reverse (314443111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111344413 - 2⁵ = 111344381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111344113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55672206 + 55672207.

It is an arithmetic number, because the mean of its divisors is an integer number (55672207).

Almost surely, 2^111344413 is an apocalyptic number.

It is an amenable number.

111344413 is a deficient number, since it is larger than the sum of its proper divisors (1).

111344413 is an equidigital number, since it uses as much as digits as its factorization.

111344413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 111344413 is about 10551.9862111358. The cubic root of 111344413 is about 481.0861010885.

Adding to 111344413 its reverse (314443111), we get a palindrome (425787524).

The spelling of 111344413 in words is "one hundred eleven million, three hundred forty-four thousand, four hundred thirteen".