13313143 has 2 divisors, whose sum is σ = 13313144. Its totient is φ = 13313142.

The previous prime is 13313141. The next prime is 13313147. The reversal of 13313143 is 34131331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13313143 - 2¹ = 13313141 is a prime.

Together with 13313141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13313143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13313141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656571 + 6656572.

It is an arithmetic number, because the mean of its divisors is an integer number (6656572).

Almost surely, 2^13313143 is an apocalyptic number.

13313143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313143 is an equidigital number, since it uses as much as digits as its factorization.

13313143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 13313143 is about 3648.7179940357. The cubic root of 13313143 is about 237.0064683975.

Adding to 13313143 its reverse (34131331), we get a palindrome (47444474).

It can be divided in two parts, 13313 and 143, that added together give a square (13456 = 116²).

The spelling of 13313143 in words is "thirteen million, three hundred thirteen thousand, one hundred forty-three".