342321331 has 4 divisors (see below), whose sum is σ = 373441464. Its totient is φ = 311201200.

The previous prime is 342321311. The next prime is 342321349. The reversal of 342321331 is 133123243.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342321331 is a prime.

It is a super-2 number, since 2×342321331² = 234367787315223122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342321311) 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, 15560050 + ... + 15560071.

It is an arithmetic number, because the mean of its divisors is an integer number (93360366).

Almost surely, 2^342321331 is an apocalyptic number.

342321331 is a deficient number, since it is larger than the sum of its proper divisors (31120133).

342321331 is a wasteful number, since it uses less digits than its factorization.

342321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31120132.

The product of its digits is 1296, while the sum is 22.

The square root of 342321331 is about 18501.9277644250. The cubic root of 342321331 is about 699.5380155758.

Adding to 342321331 its reverse (133123243), we get a palindrome (475444574).

The spelling of 342321331 in words is "three hundred forty-two million, three hundred twenty-one thousand, three hundred thirty-one".