319249043 has 2 divisors, whose sum is σ = 319249044. Its totient is φ = 319249042.

The previous prime is 319249031. The next prime is 319249079. The reversal of 319249043 is 340942913.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 319249043 - 2¹⁴ = 319232659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 319248994 and 319249012.

It is not a weakly prime, because it can be changed into another prime (319249003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159624521 + 159624522.

It is an arithmetic number, because the mean of its divisors is an integer number (159624522).

Almost surely, 2^319249043 is an apocalyptic number.

319249043 is a deficient number, since it is larger than the sum of its proper divisors (1).

319249043 is an equidigital number, since it uses as much as digits as its factorization.

319249043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 319249043 is about 17867.5416048207. The cubic root of 319249043 is about 683.4549102472.

The spelling of 319249043 in words is "three hundred nineteen million, two hundred forty-nine thousand, forty-three".