142320111433051 has 4 divisors (see below), whose sum is σ = 142320141445312. Its totient is φ = 142320081420792.

The previous prime is 142320111432997. The next prime is 142320111433099. The reversal of 142320111433051 is 150334111023241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142320111433051 - 2²³ = 142320103044443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142320111833051) 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, 6151371 + ... + 17957716.

It is an arithmetic number, because the mean of its divisors is an integer number (35580035361328).

Almost surely, 2^{142320111433051} is an apocalyptic number.

142320111433051 is a deficient number, since it is larger than the sum of its proper divisors (30012261).

142320111433051 is an equidigital number, since it uses as much as digits as its factorization.

142320111433051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30012260.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 142320111433051 its reverse (150334111023241), we get a palindrome (292654222456292).

The spelling of 142320111433051 in words is "one hundred forty-two trillion, three hundred twenty billion, one hundred eleven million, four hundred thirty-three thousand, fifty-one".