142123210431 has 16 divisors (see below), whose sum is σ = 190706336256. Its totient is φ = 94146345216.

The previous prime is 142123210429. The next prime is 142123210441. The reversal of 142123210431 is 134012321241.

142123210431 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 142123210431 - 2¹ = 142123210429 is a prime.

It is a super-2 number, since 2×142123210431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123210441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62586 + ... + 536808.

It is an arithmetic number, because the mean of its divisors is an integer number (11919146016).

Almost surely, 2^142123210431 is an apocalyptic number.

142123210431 is a deficient number, since it is larger than the sum of its proper divisors (48583125825).

142123210431 is a wasteful number, since it uses less digits than its factorization.

142123210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474862.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 142123210431 its reverse (134012321241), we get a palindrome (276135531672).

The spelling of 142123210431 in words is "one hundred forty-two billion, one hundred twenty-three million, two hundred ten thousand, four hundred thirty-one".