199133331 has 4 divisors (see below), whose sum is σ = 265511112. Its totient is φ = 132755552.

The previous prime is 199133323. The next prime is 199133339. The reversal of 199133331 is 133331991.

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

It is an interprime number because it is at equal distance from previous prime (199133323) and next prime (199133339).

It is a cyclic number.

It is not a de Polignac number, because 199133331 - 2³ = 199133323 is a prime.

It is a super-2 number, since 2×199133331² = 79308167030311122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 199133292 and 199133301.

It is not an unprimeable number, because it can be changed into a prime (199133339) 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, 33188886 + ... + 33188891.

It is an arithmetic number, because the mean of its divisors is an integer number (66377778).

Almost surely, 2^199133331 is an apocalyptic number.

199133331 is a deficient number, since it is larger than the sum of its proper divisors (66377781).

199133331 is an equidigital number, since it uses as much as digits as its factorization.

199133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66377780.

The product of its digits is 6561, while the sum is 33.

The square root of 199133331 is about 14111.4609803521. The cubic root of 199133331 is about 583.9576060347.

The spelling of 199133331 in words is "one hundred ninety-nine million, one hundred thirty-three thousand, three hundred thirty-one".