314121321 has 20 divisors (see below), whose sum is σ = 480160912. Its totient is φ = 204541848.

The previous prime is 314121299. The next prime is 314121329. The reversal of 314121321 is 123121413.

It is not a de Polignac number, because 314121321 - 2⁹ = 314120809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314121294 and 314121303.

It is not an unprimeable number, because it can be changed into a prime (314121329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41611 + ... + 48576.

Almost surely, 2^314121321 is an apocalyptic number.

It is an amenable number.

314121321 is a deficient number, since it is larger than the sum of its proper divisors (166039591).

314121321 is an equidigital number, since it uses as much as digits as its factorization.

314121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90242 (or 90233 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 314121321 is about 17723.4680861281. The cubic root of 314121321 is about 679.7759649800.

Adding to 314121321 its reverse (123121413), we get a palindrome (437242734).

The spelling of 314121321 in words is "three hundred fourteen million, one hundred twenty-one thousand, three hundred twenty-one".