314831149 has 2 divisors, whose sum is σ = 314831150. Its totient is φ = 314831148.

The previous prime is 314831123. The next prime is 314831161. The reversal of 314831149 is 941138413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278289124 + 36542025 = 16682^2 + 6045^2 .

It is an emirp because it is prime and its reverse (941138413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314831149 - 2⁵ = 314831117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314831119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157415574 + 157415575.

It is an arithmetic number, because the mean of its divisors is an integer number (157415575).

Almost surely, 2^314831149 is an apocalyptic number.

It is an amenable number.

314831149 is a deficient number, since it is larger than the sum of its proper divisors (1).

314831149 is an equidigital number, since it uses as much as digits as its factorization.

314831149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 314831149 is about 17743.4818736346. The cubic root of 314831149 is about 680.2876155003.

The spelling of 314831149 in words is "three hundred fourteen million, eight hundred thirty-one thousand, one hundred forty-nine".