342404351 has 4 divisors (see below), whose sum is σ = 345434592. Its totient is φ = 339374112.

The previous prime is 342404347. The next prime is 342404417. The reversal of 342404351 is 153404243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342404351 - 2² = 342404347 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 342404351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342404311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514951 + ... + 1515176.

It is an arithmetic number, because the mean of its divisors is an integer number (86358648).

Almost surely, 2^342404351 is an apocalyptic number.

342404351 is a deficient number, since it is larger than the sum of its proper divisors (3030241).

342404351 is a wasteful number, since it uses less digits than its factorization.

342404351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030240.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 342404351 is about 18504.1711784127. The cubic root of 342404351 is about 699.5945618152.

Adding to 342404351 its reverse (153404243), we get a palindrome (495808594).

The spelling of 342404351 in words is "three hundred forty-two million, four hundred four thousand, three hundred fifty-one".