142321131200231 has 8 divisors (see below), whose sum is σ = 145866497471424. Its totient is φ = 138797317308160.

The previous prime is 142321131200177. The next prime is 142321131200239. The reversal of 142321131200231 is 132002131123241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142321131200231 is a prime.

It is a super-2 number, since 2×142321131200231² (a number of 29 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 142321131200231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321131200239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388081410 + ... + 5388107823.

It is an arithmetic number, because the mean of its divisors is an integer number (18233312183928).

Almost surely, 2^{142321131200231} is an apocalyptic number.

142321131200231 is a deficient number, since it is larger than the sum of its proper divisors (3545366271193).

142321131200231 is a wasteful number, since it uses less digits than its factorization.

142321131200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776189561.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 142321131200231 its reverse (132002131123241), we get a palindrome (274323262323472).

The spelling of 142321131200231 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred thirty-one million, two hundred thousand, two hundred thirty-one".