314032021 has 4 divisors (see below), whose sum is σ = 316429344. Its totient is φ = 311634700.

The previous prime is 314032013. The next prime is 314032067. The reversal of 314032021 is 120230413.

It is a happy number.

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: 120230413 = 139 ⋅864967.

It is a cyclic number.

It is not a de Polignac number, because 314032021 - 2³ = 314032013 is a prime.

It is a super-2 number, since 2×314032021² = 197232220426688882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314031986 and 314032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198465 + ... + 1198726.

It is an arithmetic number, because the mean of its divisors is an integer number (79107336).

Almost surely, 2^314032021 is an apocalyptic number.

It is an amenable number.

314032021 is a deficient number, since it is larger than the sum of its proper divisors (2397323).

314032021 is a wasteful number, since it uses less digits than its factorization.

314032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397322.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 314032021 is about 17720.9486484217. The cubic root of 314032021 is about 679.7115421567.

Adding to 314032021 its reverse (120230413), we get a palindrome (434262434).

The spelling of 314032021 in words is "three hundred fourteen million, thirty-two thousand, twenty-one".