142142022031 has 4 divisors (see below), whose sum is σ = 142293722032. Its totient is φ = 141990322032.

The previous prime is 142142022023. The next prime is 142142022163. The reversal of 142142022031 is 130220241241.

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 142142022031 - 2³ = 142142022023 is a prime.

It is a super-2 number, since 2×142142022031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142142021993 and 142142022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142142026031) 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, 75848595 + ... + 75850468.

It is an arithmetic number, because the mean of its divisors is an integer number (35573430508).

Almost surely, 2^142142022031 is an apocalyptic number.

142142022031 is a deficient number, since it is larger than the sum of its proper divisors (151700001).

142142022031 is an equidigital number, since it uses as much as digits as its factorization.

142142022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151700000.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 142142022031 its reverse (130220241241), we get a palindrome (272362263272).

The spelling of 142142022031 in words is "one hundred forty-two billion, one hundred forty-two million, twenty-two thousand, thirty-one".