319356043 has 2 divisors, whose sum is σ = 319356044. Its totient is φ = 319356042.

The previous prime is 319356007. The next prime is 319356061. The reversal of 319356043 is 340653913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319356043 - 2²¹ = 317258891 is a prime.

It is not a weakly prime, because it can be changed into another prime (319356343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159678021 + 159678022.

It is an arithmetic number, because the mean of its divisors is an integer number (159678022).

Almost surely, 2^319356043 is an apocalyptic number.

319356043 is a deficient number, since it is larger than the sum of its proper divisors (1).

319356043 is an equidigital number, since it uses as much as digits as its factorization.

319356043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 319356043 is about 17870.5356103280. The cubic root of 319356043 is about 683.5312576511.

The spelling of 319356043 in words is "three hundred nineteen million, three hundred fifty-six thousand, forty-three".