16830331 has 4 divisors (see below), whose sum is σ = 19234672. Its totient is φ = 14425992.

The previous prime is 16830311. The next prime is 16830349. The reversal of 16830331 is 13303861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16830331 - 2⁹ = 16829819 is a prime.

It is a super-2 number, since 2×16830331² = 566520083139122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16830296 and 16830305.

It is not an unprimeable number, because it can be changed into a prime (16830311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202160 + ... + 1202173.

It is an arithmetic number, because the mean of its divisors is an integer number (4808668).

Almost surely, 2^16830331 is an apocalyptic number.

16830331 is a deficient number, since it is larger than the sum of its proper divisors (2404341).

16830331 is an equidigital number, since it uses as much as digits as its factorization.

16830331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404340.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16830331 is about 4102.4786410169. The cubic root of 16830331 is about 256.2698722641.

It can be divided in two parts, 16830 and 331, that added together give a square (17161 = 131²).

The spelling of 16830331 in words is "sixteen million, eight hundred thirty thousand, three hundred thirty-one".