142131332231 has 8 divisors (see below), whose sum is σ = 163343272320. Its totient is φ = 121146258168.

The previous prime is 142131332221. The next prime is 142131332237. The reversal of 142131332231 is 132233131241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142131332231 - 2²² = 142127137927 is a prime.

It is a super-2 number, since 2×142131332231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142131332231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142131332237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56715161 + ... + 56717666.

It is an arithmetic number, because the mean of its divisors is an integer number (20417909040).

Almost surely, 2^142131332231 is an apocalyptic number.

142131332231 is a deficient number, since it is larger than the sum of its proper divisors (21211940089).

142131332231 is a wasteful number, since it uses less digits than its factorization.

142131332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113433013.

The product of its digits is 2592, while the sum is 26.

Adding to 142131332231 its reverse (132233131241), we get a palindrome (274364463472).

The spelling of 142131332231 in words is "one hundred forty-two billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred thirty-one".