342142231 has 2 divisors, whose sum is σ = 342142232. Its totient is φ = 342142230.

The previous prime is 342142217. The next prime is 342142249. The reversal of 342142231 is 132241243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342142231 - 2⁷ = 342142103 is a prime.

It is a super-2 number, since 2×342142231² = 234122612467314722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342142631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171071115 + 171071116.

It is an arithmetic number, because the mean of its divisors is an integer number (171071116).

Almost surely, 2^342142231 is an apocalyptic number.

342142231 is a deficient number, since it is larger than the sum of its proper divisors (1).

342142231 is an equidigital number, since it uses as much as digits as its factorization.

342142231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 342142231 is about 18497.0870949996. The cubic root of 342142231 is about 699.4159965804.

Adding to 342142231 its reverse (132241243), we get a palindrome (474383474).

The spelling of 342142231 in words is "three hundred forty-two million, one hundred forty-two thousand, two hundred thirty-one".