1113344399 has 4 divisors (see below), whose sum is σ = 1178835264. Its totient is φ = 1047853536.

The previous prime is 1113344359. The next prime is 1113344429. The reversal of 1113344399 is 9934433111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9934433111 = 29 ⋅342566659.

It is a cyclic number.

It is not a de Polignac number, because 1113344399 - 2²⁴ = 1096567183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113344359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32745407 + ... + 32745440.

It is an arithmetic number, because the mean of its divisors is an integer number (294708816).

Almost surely, 2^1113344399 is an apocalyptic number.

1113344399 is a deficient number, since it is larger than the sum of its proper divisors (65490865).

1113344399 is an equidigital number, since it uses as much as digits as its factorization.

1113344399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65490864.

The product of its digits is 34992, while the sum is 38.

The square root of 1113344399 is about 33366.8158354974. The cubic root of 1113344399 is about 1036.4376387155.

The spelling of 1113344399 in words is "one billion, one hundred thirteen million, three hundred forty-four thousand, three hundred ninety-nine".