199232531 has 8 divisors (see below), whose sum is σ = 205475424. Its totient is φ = 193034880.

The previous prime is 199232513. The next prime is 199232533. The reversal of 199232531 is 135232991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199232531 - 2²² = 195038227 is a prime.

It is a super-2 number, since 2×199232531² = 79387202817331922, 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 = 199232491 and 199232500.

It is not an unprimeable number, because it can be changed into a prime (199232533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (25684428).

Almost surely, 2^199232531 is an apocalyptic number.

199232531 is a deficient number, since it is larger than the sum of its proper divisors (6242893).

199232531 is a wasteful number, since it uses less digits than its factorization.

199232531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22621.

The product of its digits is 14580, while the sum is 35.

The square root of 199232531 is about 14114.9754162025. The cubic root of 199232531 is about 584.0545577900.

The spelling of 199232531 in words is "one hundred ninety-nine million, two hundred thirty-two thousand, five hundred thirty-one".