351394317 has 12 divisors (see below), whose sum is σ = 509789020. Its totient is φ = 233238528.

The previous prime is 351394289. The next prime is 351394327. The reversal of 351394317 is 713493153.

It can be written as a sum of positive squares in 2 ways, for example, as 222934761 + 128459556 = 14931^2 + 11334^2 .

It is not a de Polignac number, because 351394317 - 2¹⁰ = 351393293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351394327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83188 + ... + 87309.

Almost surely, 2^351394317 is an apocalyptic number.

It is an amenable number.

351394317 is a deficient number, since it is larger than the sum of its proper divisors (158394703).

351394317 is a wasteful number, since it uses less digits than its factorization.

351394317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170732 (or 170729 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 351394317 is about 18745.5145834944. The cubic root of 351394317 is about 705.6644588116.

The spelling of 351394317 in words is "three hundred fifty-one million, three hundred ninety-four thousand, three hundred seventeen".