142104224231 has 2 divisors, whose sum is σ = 142104224232. Its totient is φ = 142104224230.

The previous prime is 142104224189. The next prime is 142104224261. The reversal of 142104224231 is 132422401241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142104224231 is a prime.

It is a super-2 number, since 2×142104224231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142104224231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142104224261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71052112115 + 71052112116.

It is an arithmetic number, because the mean of its divisors is an integer number (71052112116).

Almost surely, 2^142104224231 is an apocalyptic number.

142104224231 is a deficient number, since it is larger than the sum of its proper divisors (1).

142104224231 is an equidigital number, since it uses as much as digits as its factorization.

142104224231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142104224231 its reverse (132422401241), we get a palindrome (274526625472).

The spelling of 142104224231 in words is "one hundred forty-two billion, one hundred four million, two hundred twenty-four thousand, two hundred thirty-one".