199417331 has 4 divisors (see below), whose sum is σ = 209913000. Its totient is φ = 188921664.

The previous prime is 199417321. The next prime is 199417367. The reversal of 199417331 is 133714991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199417331 is a prime.

It is a super-2 number, since 2×199417331² = 79534543806327122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199417301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247806 + ... + 5247843.

It is an arithmetic number, because the mean of its divisors is an integer number (52478250).

Almost surely, 2^199417331 is an apocalyptic number.

199417331 is a deficient number, since it is larger than the sum of its proper divisors (10495669).

199417331 is a wasteful number, since it uses less digits than its factorization.

199417331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495668.

The product of its digits is 20412, while the sum is 38.

The square root of 199417331 is about 14121.5201377189. The cubic root of 199417331 is about 584.2350837437.

It can be divided in two parts, 19941 and 7331, that added together give a palindrome (27272).

The spelling of 199417331 in words is "one hundred ninety-nine million, four hundred seventeen thousand, three hundred thirty-one".