199152331 has 16 divisors (see below), whose sum is σ = 251472384. Its totient is φ = 153673344.

The previous prime is 199152311. The next prime is 199152337. The reversal of 199152331 is 133251991.

It is a cyclic number.

It is not a de Polignac number, because 199152331 - 2⁷ = 199152203 is a prime.

It is a super-2 number, since 2×199152331² = 79323301885467122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199152337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33645 + ... + 39118.

It is an arithmetic number, because the mean of its divisors is an integer number (15717024).

Almost surely, 2^199152331 is an apocalyptic number.

199152331 is a deficient number, since it is larger than the sum of its proper divisors (52320053).

199152331 is a wasteful number, since it uses less digits than its factorization.

199152331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72810.

The product of its digits is 7290, while the sum is 34.

The square root of 199152331 is about 14112.1341759494. The cubic root of 199152331 is about 583.9761779158.

The spelling of 199152331 in words is "one hundred ninety-nine million, one hundred fifty-two thousand, three hundred thirty-one".