142131013344321 has 16 divisors (see below), whose sum is σ = 189816859752960. Its totient is φ = 94599706481280.

The previous prime is 142131013344269. The next prime is 142131013344337. The reversal of 142131013344321 is 123443310131241.

It is a happy number.

It is not a de Polignac number, because 142131013344321 - 2¹⁷ = 142131013213249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142131013344361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10023916 + ... + 19614813.

It is an arithmetic number, because the mean of its divisors is an integer number (11863553734560).

Almost surely, 2^{142131013344321} is an apocalyptic number.

It is an amenable number.

142131013344321 is a deficient number, since it is larger than the sum of its proper divisors (47685846408639).

142131013344321 is a wasteful number, since it uses less digits than its factorization.

142131013344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29641336.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 142131013344321 its reverse (123443310131241), we get a palindrome (265574323475562).

The spelling of 142131013344321 in words is "one hundred forty-two trillion, one hundred thirty-one billion, thirteen million, three hundred forty-four thousand, three hundred twenty-one".