342421311 has 8 divisors (see below), whose sum is σ = 457622784. Its totient is φ = 227750360.

The previous prime is 342421297. The next prime is 342421333. The reversal of 342421311 is 113124243.

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

It is a cyclic number.

It is not a de Polignac number, because 342421311 - 2⁵ = 342421279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342421811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131121 + ... + 133706.

It is an arithmetic number, because the mean of its divisors is an integer number (57202848).

Almost surely, 2^342421311 is an apocalyptic number.

342421311 is a deficient number, since it is larger than the sum of its proper divisors (115201473).

342421311 is a wasteful number, since it uses less digits than its factorization.

342421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265261.

The product of its digits is 576, while the sum is 21.

The square root of 342421311 is about 18504.6294477895. The cubic root of 342421311 is about 699.6061124160.

Adding to 342421311 its reverse (113124243), we get a palindrome (455545554).

It can be divided in two parts, 34242 and 1311, that added together give a palindrome (35553).

The spelling of 342421311 in words is "three hundred forty-two million, four hundred twenty-one thousand, three hundred eleven".