1314203021 has 2 divisors, whose sum is σ = 1314203022. Its totient is φ = 1314203020.

The previous prime is 1314203017. The next prime is 1314203027. The reversal of 1314203021 is 1203024131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1312612900 + 1590121 = 36230^2 + 1261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314203021 - 2² = 1314203017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314203027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657101510 + 657101511.

It is an arithmetic number, because the mean of its divisors is an integer number (657101511).

Almost surely, 2^1314203021 is an apocalyptic number.

It is an amenable number.

1314203021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314203021 is an equidigital number, since it uses as much as digits as its factorization.

1314203021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1314203021 is about 36251.9381688759. The cubic root of 1314203021 is about 1095.3531303387.

Adding to 1314203021 its reverse (1203024131), we get a palindrome (2517227152).

The spelling of 1314203021 in words is "one billion, three hundred fourteen million, two hundred three thousand, twenty-one".