319073429 has 2 divisors, whose sum is σ = 319073430. Its totient is φ = 319073428.

The previous prime is 319073423. The next prime is 319073477. The reversal of 319073429 is 924370913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245079025 + 73994404 = 15655^2 + 8602^2 .

It is an emirp because it is prime and its reverse (924370913) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319073429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 319073392 and 319073401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319073423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159536714 + 159536715.

It is an arithmetic number, because the mean of its divisors is an integer number (159536715).

Almost surely, 2^319073429 is an apocalyptic number.

It is an amenable number.

319073429 is a deficient number, since it is larger than the sum of its proper divisors (1).

319073429 is an equidigital number, since it uses as much as digits as its factorization.

319073429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 319073429 is about 17862.6265985717. The cubic root of 319073429 is about 683.3295679084.

The spelling of 319073429 in words is "three hundred nineteen million, seventy-three thousand, four hundred twenty-nine".