142030131 has 4 divisors (see below), whose sum is σ = 189373512. Its totient is φ = 94686752.

The previous prime is 142029977. The next prime is 142030153. The reversal of 142030131 is 131030241.

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 142030131 - 2¹¹ = 142028083 is a prime.

It is a super-3 number, since 3×142030131³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 142030131.

It is not an unprimeable number, because it can be changed into a prime (142032131) 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, 23671686 + ... + 23671691.

It is an arithmetic number, because the mean of its divisors is an integer number (47343378).

Almost surely, 2^142030131 is an apocalyptic number.

142030131 is a deficient number, since it is larger than the sum of its proper divisors (47343381).

142030131 is an equidigital number, since it uses as much as digits as its factorization.

142030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47343380.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 142030131 is about 11917.6394894291. The cubic root of 142030131 is about 521.7472426151.

Adding to 142030131 its reverse (131030241), we get a palindrome (273060372).

The spelling of 142030131 in words is "one hundred forty-two million, thirty thousand, one hundred thirty-one".