342340511 has 4 divisors (see below), whose sum is σ = 342499800. Its totient is φ = 342181224.

The previous prime is 342340507. The next prime is 342340513. The reversal of 342340511 is 115043243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115043243 = 7 ⋅16434749.

It is a cyclic number.

It is not a de Polignac number, because 342340511 - 2² = 342340507 is a prime.

It is a super-2 number, since 2×342340511² = 234394050943482242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342340513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76376 + ... + 80733.

It is an arithmetic number, because the mean of its divisors is an integer number (85624950).

Almost surely, 2^342340511 is an apocalyptic number.

342340511 is a deficient number, since it is larger than the sum of its proper divisors (159289).

342340511 is a wasteful number, since it uses less digits than its factorization.

342340511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159288.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 342340511 is about 18502.4460815320. The cubic root of 342340511 is about 699.5510801902.

Adding to 342340511 its reverse (115043243), we get a palindrome (457383754).

It can be divided in two parts, 3423 and 40511, that added together give a palindrome (43934).

The spelling of 342340511 in words is "three hundred forty-two million, three hundred forty thousand, five hundred eleven".