16319113 has 4 divisors (see below), whose sum is σ = 16845568. Its totient is φ = 15792660.

The previous prime is 16319101. The next prime is 16319117. The reversal of 16319113 is 31191361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31191361 = 2713 ⋅11497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16319113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16319117) 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, 263181 + ... + 263242.

It is an arithmetic number, because the mean of its divisors is an integer number (4211392).

Almost surely, 2^16319113 is an apocalyptic number.

It is an amenable number.

16319113 is a deficient number, since it is larger than the sum of its proper divisors (526455).

16319113 is an equidigital number, since it uses as much as digits as its factorization.

16319113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526454.

The product of its digits is 486, while the sum is 25.

The square root of 16319113 is about 4039.6921912443. The cubic root of 16319113 is about 253.6484327433.

The spelling of 16319113 in words is "sixteen million, three hundred nineteen thousand, one hundred thirteen".