316199551 has 2 divisors, whose sum is σ = 316199552. Its totient is φ = 316199550.

The previous prime is 316199497. The next prime is 316199567. The reversal of 316199551 is 155991613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316199551 - 2¹¹ = 316197503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316199591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158099775 + 158099776.

It is an arithmetic number, because the mean of its divisors is an integer number (158099776).

Almost surely, 2^316199551 is an apocalyptic number.

316199551 is a deficient number, since it is larger than the sum of its proper divisors (1).

316199551 is an equidigital number, since it uses as much as digits as its factorization.

316199551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36450, while the sum is 40.

The square root of 316199551 is about 17782.0007591947. Note that the first 3 decimals coincide. The cubic root of 316199551 is about 681.2718059849.

The spelling of 316199551 in words is "three hundred sixteen million, one hundred ninety-nine thousand, five hundred fifty-one".