1314304021 has 4 divisors (see below), whose sum is σ = 1319540544. Its totient is φ = 1309067500.

The previous prime is 1314304007. The next prime is 1314304027. The reversal of 1314304021 is 1204034131.

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 1314304021 - 2¹⁵ = 1314271253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1314304021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314304027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617885 + ... + 2618386.

It is an arithmetic number, because the mean of its divisors is an integer number (329885136).

Almost surely, 2^1314304021 is an apocalyptic number.

It is an amenable number.

1314304021 is a deficient number, since it is larger than the sum of its proper divisors (5236523).

1314304021 is an equidigital number, since it uses as much as digits as its factorization.

1314304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236522.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1314304021 is about 36253.3311710800. The cubic root of 1314304021 is about 1095.3811898877.

Adding to 1314304021 its reverse (1204034131), we get a palindrome (2518338152).

The spelling of 1314304021 in words is "one billion, three hundred fourteen million, three hundred four thousand, twenty-one".