142331534516051 has 4 divisors (see below), whose sum is σ = 142342382142504. Its totient is φ = 142320686889600.

The previous prime is 142331534516029. The next prime is 142331534516057. The reversal of 142331534516051 is 150615435133241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142331534516051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142331534515993 and 142331534516011.

It is not an unprimeable number, because it can be changed into a prime (142331534516057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5423793545 + ... + 5423819786.

It is an arithmetic number, because the mean of its divisors is an integer number (35585595535626).

Almost surely, 2^{142331534516051} is an apocalyptic number.

142331534516051 is a deficient number, since it is larger than the sum of its proper divisors (10847626453).

142331534516051 is a wasteful number, since it uses less digits than its factorization.

142331534516051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847626452.

The product of its (nonzero) digits is 648000, while the sum is 44.

Adding to 142331534516051 its reverse (150615435133241), we get a palindrome (292946969649292).

The spelling of 142331534516051 in words is "one hundred forty-two trillion, three hundred thirty-one billion, five hundred thirty-four million, five hundred sixteen thousand, fifty-one".