314309969 has 2 divisors, whose sum is σ = 314309970. Its totient is φ = 314309968.

The previous prime is 314309911. The next prime is 314309993. The reversal of 314309969 is 969903413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238393600 + 75916369 = 15440^2 + 8713^2 .

It is an emirp because it is prime and its reverse (969903413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314309969 - 2¹⁶ = 314244433 is a prime.

It is a super-2 number, since 2×314309969² = 197581513225561922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (314309669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157154984 + 157154985.

It is an arithmetic number, because the mean of its divisors is an integer number (157154985).

Almost surely, 2^314309969 is an apocalyptic number.

It is an amenable number.

314309969 is a deficient number, since it is larger than the sum of its proper divisors (1).

314309969 is an equidigital number, since it uses as much as digits as its factorization.

314309969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 314309969 is about 17728.7892705622. The cubic root of 314309969 is about 679.9120193266.

The spelling of 314309969 in words is "three hundred fourteen million, three hundred nine thousand, nine hundred sixty-nine".