342321031 has 4 divisors (see below), whose sum is σ = 368653432. Its totient is φ = 315988632.

The previous prime is 342320989. The next prime is 342321041. The reversal of 342321031 is 130123243.

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 342321031 - 2⁹ = 342320519 is a prime.

It is a super-2 number, since 2×342321031² = 234367376529805922, 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 (342321041) 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, 13166181 + ... + 13166206.

It is an arithmetic number, because the mean of its divisors is an integer number (92163358).

Almost surely, 2^342321031 is an apocalyptic number.

342321031 is a deficient number, since it is larger than the sum of its proper divisors (26332401).

342321031 is a wasteful number, since it uses less digits than its factorization.

342321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26332400.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 342321031 is about 18501.9196571599. The cubic root of 342321031 is about 699.5378112245.

Adding to 342321031 its reverse (130123243), we get a palindrome (472444274).

The spelling of 342321031 in words is "three hundred forty-two million, three hundred twenty-one thousand, thirty-one".