1313323343 has 2 divisors, whose sum is σ = 1313323344. Its totient is φ = 1313323342.

The previous prime is 1313323331. The next prime is 1313323409. The reversal of 1313323343 is 3433233131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3433233131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313323343 - 2⁶ = 1313323279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313328343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656661671 + 656661672.

It is an arithmetic number, because the mean of its divisors is an integer number (656661672).

Almost surely, 2^1313323343 is an apocalyptic number.

1313323343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313323343 is an equidigital number, since it uses as much as digits as its factorization.

1313323343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 26.

The square root of 1313323343 is about 36239.8032969275. The cubic root of 1313323343 is about 1095.1086797464.

Adding to 1313323343 its reverse (3433233131), we get a palindrome (4746556474).

The spelling of 1313323343 in words is "one billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred forty-three".