199300631 has 4 divisors (see below), whose sum is σ = 204161664. Its totient is φ = 194439600.

The previous prime is 199300627. The next prime is 199300691. The reversal of 199300631 is 136003991.

199300631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 199300631 - 2² = 199300627 is a prime.

It is a super-2 number, since 2×199300631² = 79441483033996322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199300691) 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, 2430455 + ... + 2430536.

It is an arithmetic number, because the mean of its divisors is an integer number (51040416).

Almost surely, 2^199300631 is an apocalyptic number.

199300631 is a deficient number, since it is larger than the sum of its proper divisors (4861033).

199300631 is an equidigital number, since it uses as much as digits as its factorization.

199300631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861032.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 199300631 is about 14117.3875416098. The cubic root of 199300631 is about 584.1210957600.

The spelling of 199300631 in words is "one hundred ninety-nine million, three hundred thousand, six hundred thirty-one".