3143313449 has 2 divisors, whose sum is σ = 3143313450. Its totient is φ = 3143313448.

The previous prime is 3143313443. The next prime is 3143313457. The reversal of 3143313449 is 9443133413.

It is a happy number.

3143313449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2787312025 + 356001424 = 52795^2 + 18868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3143313449 is a prime.

It is not a weakly prime, because it can be changed into another prime (3143313443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571656724 + 1571656725.

It is an arithmetic number, because the mean of its divisors is an integer number (1571656725).

Almost surely, 2^3143313449 is an apocalyptic number.

It is an amenable number.

3143313449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143313449 is an equidigital number, since it uses as much as digits as its factorization.

3143313449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

The square root of 3143313449 is about 56065.2606254533. The cubic root of 3143313449 is about 1464.8592469618.

The spelling of 3143313449 in words is "three billion, one hundred forty-three million, three hundred thirteen thousand, four hundred forty-nine".