1313204311 has 2 divisors, whose sum is σ = 1313204312. Its totient is φ = 1313204310.

The previous prime is 1313204261. The next prime is 1313204327. The reversal of 1313204311 is 1134023131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313204311 - 2⁷ = 1313204183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313204351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656602155 + 656602156.

It is an arithmetic number, because the mean of its divisors is an integer number (656602156).

Almost surely, 2^1313204311 is an apocalyptic number.

1313204311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313204311 is an equidigital number, since it uses as much as digits as its factorization.

1313204311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1313204311 is about 36238.1609770695. The cubic root of 1313204311 is about 1095.0755939833.

Adding to 1313204311 its reverse (1134023131), we get a palindrome (2447227442).

The spelling of 1313204311 in words is "one billion, three hundred thirteen million, two hundred four thousand, three hundred eleven".