142031304143 has 4 divisors (see below), whose sum is σ = 149506635960. Its totient is φ = 134555972328.

The previous prime is 142031304059. The next prime is 142031304157. The reversal of 142031304143 is 341403130241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341403130241 = 17 ⋅20082537073.

It is a cyclic number.

It is not a de Polignac number, because 142031304143 - 2¹⁴ = 142031287759 is a prime.

It is a super-2 number, since 2×142031304143² (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 (142031304043) 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, 3737665880 + ... + 3737665917.

It is an arithmetic number, because the mean of its divisors is an integer number (37376658990).

Almost surely, 2^142031304143 is an apocalyptic number.

142031304143 is a deficient number, since it is larger than the sum of its proper divisors (7475331817).

142031304143 is an equidigital number, since it uses as much as digits as its factorization.

142031304143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475331816.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 142031304143 its reverse (341403130241), we get a palindrome (483434434384).

The spelling of 142031304143 in words is "one hundred forty-two billion, thirty-one million, three hundred four thousand, one hundred forty-three".