347013229 has 2 divisors, whose sum is σ = 347013230. Its totient is φ = 347013228.

The previous prime is 347013211. The next prime is 347013239. The reversal of 347013229 is 922310743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320768100 + 26245129 = 17910^2 + 5123^2 .

It is an emirp because it is prime and its reverse (922310743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347013229 - 2²³ = 338624621 is a prime.

It is a super-2 number, since 2×347013229² = 240836362202012882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 347013229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347013239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173506614 + 173506615.

It is an arithmetic number, because the mean of its divisors is an integer number (173506615).

Almost surely, 2^347013229 is an apocalyptic number.

It is an amenable number.

347013229 is a deficient number, since it is larger than the sum of its proper divisors (1).

347013229 is an equidigital number, since it uses as much as digits as its factorization.

347013229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 347013229 is about 18628.2910917776. The cubic root of 347013229 is about 702.7195087475.

The spelling of 347013229 in words is "three hundred forty-seven million, thirteen thousand, two hundred twenty-nine".