1313331347 has 2 divisors, whose sum is σ = 1313331348. Its totient is φ = 1313331346.

The previous prime is 1313331289. The next prime is 1313331389. The reversal of 1313331347 is 7431333131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313331347 - 2¹⁰ = 1313330323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313336347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656665673 + 656665674.

It is an arithmetic number, because the mean of its divisors is an integer number (656665674).

Almost surely, 2^1313331347 is an apocalyptic number.

1313331347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313331347 is an equidigital number, since it uses as much as digits as its factorization.

1313331347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

The square root of 1313331347 is about 36239.9137278223. The cubic root of 1313331347 is about 1095.1109044415.

Adding to 1313331347 its reverse (7431333131), we get a palindrome (8744664478).

The spelling of 1313331347 in words is "one billion, three hundred thirteen million, three hundred thirty-one thousand, three hundred forty-seven".