142031031203 has 4 divisors (see below), whose sum is σ = 145869707760. Its totient is φ = 138192354648.

The previous prime is 142031031143. The next prime is 142031031223. The reversal of 142031031203 is 302130130241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302130130241 = 1627 ⋅185697683.

It is not a de Polignac number, because 142031031203 - 2¹⁴ = 142031014819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142031031223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919338223 + ... + 1919338296.

It is an arithmetic number, because the mean of its divisors is an integer number (36467426940).

Almost surely, 2^142031031203 is an apocalyptic number.

142031031203 is a deficient number, since it is larger than the sum of its proper divisors (3838676557).

142031031203 is an equidigital number, since it uses as much as digits as its factorization.

142031031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838676556.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 142031031203 its reverse (302130130241), we get a palindrome (444161161444).

The spelling of 142031031203 in words is "one hundred forty-two billion, thirty-one million, thirty-one thousand, two hundred three".