31424302042 has 16 divisors (see below), whose sum is σ = 53985597120. Its totient is φ = 13438716768.

The previous prime is 31424301973. The next prime is 31424302061. The reversal of 31424302042 is 24020342413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31424301998 and 31424302016.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2396667 + ... + 2409742.

It is an arithmetic number, because the mean of its divisors is an integer number (3374099820).

Almost surely, 2^31424302042 is an apocalyptic number.

31424302042 is a deficient number, since it is larger than the sum of its proper divisors (22561295078).

31424302042 is a wasteful number, since it uses less digits than its factorization.

31424302042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806885.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 31424302042 its reverse (24020342413), we get a palindrome (55444644455).

The spelling of 31424302042 in words is "thirty-one billion, four hundred twenty-four million, three hundred two thousand, forty-two".