1321414313 has 2 divisors, whose sum is σ = 1321414314. Its totient is φ = 1321414312.

The previous prime is 1321414273. The next prime is 1321414321. The reversal of 1321414313 is 3134141231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238476864 + 82937449 = 35192^2 + 9107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321414313 - 2⁶ = 1321414249 is a prime.

It is a super-2 number, since 2×1321414313² = 3492271573202523938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1321414333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660707156 + 660707157.

It is an arithmetic number, because the mean of its divisors is an integer number (660707157).

Almost surely, 2^1321414313 is an apocalyptic number.

It is an amenable number.

1321414313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321414313 is an equidigital number, since it uses as much as digits as its factorization.

1321414313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 1321414313 is about 36351.2628804007. The cubic root of 1321414313 is about 1097.3529501009.

Adding to 1321414313 its reverse (3134141231), we get a palindrome (4455555544).

The spelling of 1321414313 in words is "one billion, three hundred twenty-one million, four hundred fourteen thousand, three hundred thirteen".