314333021 has 4 divisors (see below), whose sum is σ = 318312000. Its totient is φ = 310354044.

The previous prime is 314332999. The next prime is 314333027. The reversal of 314333021 is 120333413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120333413 = 31 ⋅3881723.

It is a cyclic number.

It is not a de Polignac number, because 314333021 - 2¹⁴ = 314316637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 314332984 and 314333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314333027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989371 + ... + 1989528.

It is an arithmetic number, because the mean of its divisors is an integer number (79578000).

Almost surely, 2^314333021 is an apocalyptic number.

It is an amenable number.

314333021 is a deficient number, since it is larger than the sum of its proper divisors (3978979).

314333021 is an equidigital number, since it uses as much as digits as its factorization.

314333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978978.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 314333021 is about 17729.4393876400. The cubic root of 314333021 is about 679.9286408682.

Adding to 314333021 its reverse (120333413), we get a palindrome (434666434).

The spelling of 314333021 in words is "three hundred fourteen million, three hundred thirty-three thousand, twenty-one".