343120402 has 8 divisors (see below), whose sum is σ = 532428300. Its totient is φ = 165644304.

The previous prime is 343120387. The next prime is 343120409. The reversal of 343120402 is 204021343.

It can be written as a sum of positive squares in 2 ways, for example, as 304816681 + 38303721 = 17459^2 + 6189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×343120402² = 235463220537283208, 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 343120402.

It is not an unprimeable number, because it can be changed into a prime (343120409) 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 in 3 ways as a sum of consecutive naturals, for example, 2957877 + ... + 2957992.

Almost surely, 2^343120402 is an apocalyptic number.

343120402 is a deficient number, since it is larger than the sum of its proper divisors (189307898).

343120402 is a wasteful number, since it uses less digits than its factorization.

343120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915900.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 343120402 is about 18523.5094407080. The cubic root of 343120402 is about 700.0818965406.

Adding to 343120402 its reverse (204021343), we get a palindrome (547141745).

The spelling of 343120402 in words is "three hundred forty-three million, one hundred twenty thousand, four hundred two".