342311243 has 4 divisors (see below), whose sum is σ = 344031600. Its totient is φ = 340590888.

The previous prime is 342311237. The next prime is 342311257. The reversal of 342311243 is 342113243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342113243 = 3163 ⋅108161.

It is not a de Polignac number, because 342311243 - 2⁸ = 342310987 is a prime.

It is a super-3 number, since 3×342311243³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342311743) 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, 859880 + ... + 860277.

It is an arithmetic number, because the mean of its divisors is an integer number (86007900).

Almost surely, 2^342311243 is an apocalyptic number.

342311243 is a deficient number, since it is larger than the sum of its proper divisors (1720357).

342311243 is a wasteful number, since it uses less digits than its factorization.

342311243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720356.

The product of its digits is 1728, while the sum is 23.

The square root of 342311243 is about 18501.6551421758. The cubic root of 342311243 is about 699.5311438560.

Adding to 342311243 its reverse (342113243), we get a palindrome (684424486).

The spelling of 342311243 in words is "three hundred forty-two million, three hundred eleven thousand, two hundred forty-three".