142341331 has 32 divisors (see below), whose sum is σ = 170726400. Its totient is φ = 117262080.

The previous prime is 142341307. The next prime is 142341343. The reversal of 142341331 is 133143241.

It is a cyclic number.

It is not a de Polignac number, because 142341331 - 2⁷ = 142341203 is a prime.

It is a super-2 number, since 2×142341331² = 40522109021703122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142341371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610791 + ... + 611023.

It is an arithmetic number, because the mean of its divisors is an integer number (5335200).

Almost surely, 2^142341331 is an apocalyptic number.

142341331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142341331 is a deficient number, since it is larger than the sum of its proper divisors (28385069).

142341331 is a wasteful number, since it uses less digits than its factorization.

142341331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its digits is 864, while the sum is 22.

The square root of 142341331 is about 11930.6886222045. The cubic root of 142341331 is about 522.1280287149.

Adding to 142341331 its reverse (133143241), we get a palindrome (275484572).

The spelling of 142341331 in words is "one hundred forty-two million, three hundred forty-one thousand, three hundred thirty-one".