316929247 has 2 divisors, whose sum is σ = 316929248. Its totient is φ = 316929246.

The previous prime is 316929233. The next prime is 316929251. The reversal of 316929247 is 742929613.

It is a strong prime.

It is an emirp because it is prime and its reverse (742929613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316929247 - 2¹⁵ = 316896479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316929257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158464623 + 158464624.

It is an arithmetic number, because the mean of its divisors is an integer number (158464624).

Almost surely, 2^316929247 is an apocalyptic number.

316929247 is a deficient number, since it is larger than the sum of its proper divisors (1).

316929247 is an equidigital number, since it uses as much as digits as its factorization.

316929247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 316929247 is about 17802.5067616895. The cubic root of 316929247 is about 681.7954620076.

The spelling of 316929247 in words is "three hundred sixteen million, nine hundred twenty-nine thousand, two hundred forty-seven".