314831161 has 2 divisors, whose sum is σ = 314831162. Its totient is φ = 314831160.

The previous prime is 314831149. The next prime is 314831171. The reversal of 314831161 is 161138413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301369600 + 13461561 = 17360^2 + 3669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314831161 is a prime.

It is not a weakly prime, because it can be changed into another prime (314831171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157415580 + 157415581.

It is an arithmetic number, because the mean of its divisors is an integer number (157415581).

Almost surely, 2^314831161 is an apocalyptic number.

It is an amenable number.

314831161 is a deficient number, since it is larger than the sum of its proper divisors (1).

314831161 is an equidigital number, since it uses as much as digits as its factorization.

314831161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 314831161 is about 17743.4822117870. The cubic root of 314831161 is about 680.2876241435.

Adding to 314831161 its reverse (161138413), we get a palindrome (475969574).

The spelling of 314831161 in words is "three hundred fourteen million, eight hundred thirty-one thousand, one hundred sixty-one".