319294121 has 2 divisors, whose sum is σ = 319294122. Its totient is φ = 319294120.

The previous prime is 319294103. The next prime is 319294133. The reversal of 319294121 is 121492913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311028496 + 8265625 = 17636^2 + 2875^2 .

It is a cyclic number.

It is not a de Polignac number, because 319294121 - 2¹⁴ = 319277737 is a prime.

It is not a weakly prime, because it can be changed into another prime (319294021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159647060 + 159647061.

It is an arithmetic number, because the mean of its divisors is an integer number (159647061).

Almost surely, 2^319294121 is an apocalyptic number.

It is an amenable number.

319294121 is a deficient number, since it is larger than the sum of its proper divisors (1).

319294121 is an equidigital number, since it uses as much as digits as its factorization.

319294121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 319294121 is about 17868.8030097150. The cubic root of 319294121 is about 683.4870767028.

The spelling of 319294121 in words is "three hundred nineteen million, two hundred ninety-four thousand, one hundred twenty-one".