142033131 has 6 divisors (see below), whose sum is σ = 205158980. Its totient is φ = 94688748.

The previous prime is 142033127. The next prime is 142033141. The reversal of 142033131 is 131330241.

142033131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142033131 - 2² = 142033127 is a prime.

It is a super-2 number, since 2×142033131² = 40346820603326322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142033141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7890721 + ... + 7890738.

Almost surely, 2^142033131 is an apocalyptic number.

142033131 is a deficient number, since it is larger than the sum of its proper divisors (63125849).

142033131 is a wasteful number, since it uses less digits than its factorization.

142033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781465 (or 15781462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 142033131 is about 11917.7653526154. The cubic root of 142033131 is about 521.7509160861.

Adding to 142033131 its reverse (131330241), we get a palindrome (273363372).

The spelling of 142033131 in words is "one hundred forty-two million, thirty-three thousand, one hundred thirty-one".