320142031042 has 8 divisors (see below), whose sum is σ = 480926589516. Its totient is φ = 159833167872.

The previous prime is 320142031031. The next prime is 320142031081. The reversal of 320142031042 is 240130241023.

It can be written as a sum of positive squares in 2 ways, for example, as 319642106161 + 499924881 = 565369^2 + 22359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118922143 + ... + 118924834.

Almost surely, 2^320142031042 is an apocalyptic number.

320142031042 is a deficient number, since it is larger than the sum of its proper divisors (160784558474).

320142031042 is a wasteful number, since it uses less digits than its factorization.

320142031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237847652.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 320142031042 its reverse (240130241023), we get a palindrome (560272272065).

The spelling of 320142031042 in words is "three hundred twenty billion, one hundred forty-two million, thirty-one thousand, forty-two".