342142320 has 80 divisors (see below), whose sum is σ = 1142239392. Its totient is φ = 84218880.

The previous prime is 342142249. The next prime is 342142349. The reversal of 342142320 is 23241243.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×342142320² = 234122734269964800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51711 + ... + 57950.

Almost surely, 2^342142320 is an apocalyptic number.

342142320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342142320 is an abundant number, since it is smaller than the sum of its proper divisors (800097072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342142320 is a wasteful number, since it uses less digits than its factorization.

342142320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109690 (or 109684 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 342142320 is about 18497.0895007836. The cubic root of 342142320 is about 699.4160572258.

Adding to 342142320 its reverse (23241243), we get a palindrome (365383563).

The spelling of 342142320 in words is "three hundred forty-two million, one hundred forty-two thousand, three hundred twenty".