320008542242 has 4 divisors (see below), whose sum is σ = 480012813366. Its totient is φ = 160004271120.

The previous prime is 320008542241. The next prime is 320008542313. The reversal of 320008542242 is 242245800023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242245800023 = 11003 ⋅22016341.

It can be written as a sum of positive squares in only one way, i.e., 248912185921 + 71096356321 = 498911^2 + 266639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320008542199 and 320008542208.

It is not an unprimeable number, because it can be changed into a prime (320008542241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80002135559 + ... + 80002135562.

Almost surely, 2^320008542242 is an apocalyptic number.

320008542242 is a deficient number, since it is larger than the sum of its proper divisors (160004271124).

320008542242 is a wasteful number, since it uses less digits than its factorization.

320008542242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160004271123.

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 320008542242 in words is "three hundred twenty billion, eight million, five hundred forty-two thousand, two hundred forty-two".