314040021 has 4 divisors (see below), whose sum is σ = 418720032. Its totient is φ = 209360012.

The previous prime is 314040011. The next prime is 314040049. The reversal of 314040021 is 120040413.

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.

It is a cyclic number.

It is not a de Polignac number, because 314040021 - 2⁵ = 314039989 is a prime.

It is a super-2 number, since 2×314040021² = 197242269579360882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314040011) 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, 52340001 + ... + 52340006.

It is an arithmetic number, because the mean of its divisors is an integer number (104680008).

Almost surely, 2^314040021 is an apocalyptic number.

It is an amenable number.

314040021 is a deficient number, since it is larger than the sum of its proper divisors (104680011).

314040021 is a wasteful number, since it uses less digits than its factorization.

314040021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104680010.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 314040021 is about 17721.1743685344. The cubic root of 314040021 is about 679.7173140163.

Adding to 314040021 its reverse (120040413), we get a palindrome (434080434).

The spelling of 314040021 in words is "three hundred fourteen million, forty thousand, twenty-one".