1314333021 has 4 divisors (see below), whose sum is σ = 1752444032. Its totient is φ = 876222012.

The previous prime is 1314333001. The next prime is 1314333047. The reversal of 1314333021 is 1203334131.

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: 1203334131 = 3 ⋅401111377.

It is not a de Polignac number, because 1314333021 - 2⁵ = 1314332989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314333001) 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, 219055501 + ... + 219055506.

It is an arithmetic number, because the mean of its divisors is an integer number (438111008).

Almost surely, 2^1314333021 is an apocalyptic number.

It is an amenable number.

1314333021 is a deficient number, since it is larger than the sum of its proper divisors (438111011).

1314333021 is an equidigital number, since it uses as much as digits as its factorization.

1314333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438111010.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1314333021 is about 36253.7311321194. The cubic root of 1314333021 is about 1095.3892463243.

Adding to 1314333021 its reverse (1203334131), we get a palindrome (2517667152).

It can be divided in two parts, 13143 and 33021, that added together give a palindrome (46164).

The spelling of 1314333021 in words is "one billion, three hundred fourteen million, three hundred thirty-three thousand, twenty-one".