319118029 has 2 divisors, whose sum is σ = 319118030. Its totient is φ = 319118028.

The previous prime is 319118027. The next prime is 319118039. The reversal of 319118029 is 920811913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177555625 + 141562404 = 13325^2 + 11898^2 .

It is a cyclic number.

It is not a de Polignac number, because 319118029 - 2¹ = 319118027 is a prime.

Together with 319118027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 319117985 and 319118003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319118027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159559014 + 159559015.

It is an arithmetic number, because the mean of its divisors is an integer number (159559015).

Almost surely, 2^319118029 is an apocalyptic number.

It is an amenable number.

319118029 is a deficient number, since it is larger than the sum of its proper divisors (1).

319118029 is an equidigital number, since it uses as much as digits as its factorization.

319118029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 319118029 is about 17863.8749715732. The cubic root of 319118029 is about 683.3614049675.

The spelling of 319118029 in words is "three hundred nineteen million, one hundred eighteen thousand, twenty-nine".