142313031043 has 4 divisors (see below), whose sum is σ = 142375809240. Its totient is φ = 142250252848.

The previous prime is 142313031031. The next prime is 142313031083. The reversal of 142313031043 is 340130313241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340130313241 = 281 ⋅1210428161.

It is a cyclic number.

It is not a de Polignac number, because 142313031043 - 2²⁵ = 142279476611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142313030999 and 142313031017.

It is not an unprimeable number, because it can be changed into a prime (142313031023) 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, 31385698 + ... + 31390231.

It is an arithmetic number, because the mean of its divisors is an integer number (35593952310).

Almost surely, 2^142313031043 is an apocalyptic number.

142313031043 is a deficient number, since it is larger than the sum of its proper divisors (62778197).

142313031043 is an equidigital number, since it uses as much as digits as its factorization.

142313031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62778196.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 142313031043 its reverse (340130313241), we get a palindrome (482443344284).

The spelling of 142313031043 in words is "one hundred forty-two billion, three hundred thirteen million, thirty-one thousand, forty-three".