361431199 has 2 divisors, whose sum is σ = 361431200. Its totient is φ = 361431198.

The previous prime is 361431157. The next prime is 361431233. The reversal of 361431199 is 991134163.

It is a strong prime.

It is an emirp because it is prime and its reverse (991134163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361431199 - 2⁹ = 361430687 is a prime.

It is a super-2 number, since 2×361431199² = 261265023221155202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361432199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180715599 + 180715600.

It is an arithmetic number, because the mean of its divisors is an integer number (180715600).

Almost surely, 2^361431199 is an apocalyptic number.

361431199 is a deficient number, since it is larger than the sum of its proper divisors (1).

361431199 is an equidigital number, since it uses as much as digits as its factorization.

361431199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 361431199 is about 19011.3439556492. The cubic root of 361431199 is about 712.3201221921.

The spelling of 361431199 in words is "three hundred sixty-one million, four hundred thirty-one thousand, one hundred ninety-nine".