314314381 has 2 divisors, whose sum is σ = 314314382. Its totient is φ = 314314380.

The previous prime is 314314349. The next prime is 314314409. The reversal of 314314381 is 183413413.

It is an a-pointer prime, because the next prime (314314409) can be obtained adding 314314381 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290157156 + 24157225 = 17034^2 + 4915^2 .

It is an emirp because it is prime and its reverse (183413413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314314381 - 2⁵ = 314314349 is a prime.

It is a super-2 number, since 2×314314381² = 197587060206826322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314314681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157157190 + 157157191.

It is an arithmetic number, because the mean of its divisors is an integer number (157157191).

Almost surely, 2^314314381 is an apocalyptic number.

It is an amenable number.

314314381 is a deficient number, since it is larger than the sum of its proper divisors (1).

314314381 is an equidigital number, since it uses as much as digits as its factorization.

314314381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 314314381 is about 17728.9137005063. The cubic root of 314314381 is about 679.9152006424.

Adding to 314314381 its reverse (183413413), we get a palindrome (497727794).

The spelling of 314314381 in words is "three hundred fourteen million, three hundred fourteen thousand, three hundred eighty-one".