142441320311 has 4 divisors (see below), whose sum is σ = 142443058800. Its totient is φ = 142439581824.

The previous prime is 142441320233. The next prime is 142441320323. The reversal of 142441320311 is 113023144241.

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 142441320311 - 2¹⁰ = 142441319287 is a prime.

It is a super-2 number, since 2×142441320311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142441320341) 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, 739931 + ... + 912348.

It is an arithmetic number, because the mean of its divisors is an integer number (35610764700).

Almost surely, 2^142441320311 is an apocalyptic number.

142441320311 is a deficient number, since it is larger than the sum of its proper divisors (1738489).

142441320311 is an equidigital number, since it uses as much as digits as its factorization.

142441320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738488.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 142441320311 its reverse (113023144241), we get a palindrome (255464464552).

The spelling of 142441320311 in words is "one hundred forty-two billion, four hundred forty-one million, three hundred twenty thousand, three hundred eleven".