342506311 has 4 divisors (see below), whose sum is σ = 391435792. Its totient is φ = 293576832.

The previous prime is 342506303. The next prime is 342506341. The reversal of 342506311 is 113605243.

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 342506311 - 2³ = 342506303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342506341) 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, 24464730 + ... + 24464743.

It is an arithmetic number, because the mean of its divisors is an integer number (97858948).

Almost surely, 2^342506311 is an apocalyptic number.

342506311 is a deficient number, since it is larger than the sum of its proper divisors (48929481).

342506311 is an equidigital number, since it uses as much as digits as its factorization.

342506311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48929480.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 342506311 is about 18506.9260278416. The cubic root of 342506311 is about 699.6639958847.

The spelling of 342506311 in words is "three hundred forty-two million, five hundred six thousand, three hundred eleven".