31424211004442 has 16 divisors (see below), whose sum is σ = 47936112184800. Its totient is φ = 15445516665840.

The previous prime is 31424211004427. The next prime is 31424211004499. The reversal of 31424211004442 is 24440011242413.

It is a junction number, because it is equal to n+sod(n) for n = 31424211004399 and 31424211004408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4135484 + ... + 8941512.

It is an arithmetic number, because the mean of its divisors is an integer number (2996007011550).

Almost surely, 2^{31424211004442} is an apocalyptic number.

31424211004442 is a deficient number, since it is larger than the sum of its proper divisors (16511901180358).

31424211004442 is a wasteful number, since it uses less digits than its factorization.

31424211004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861501.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 31424211004442 its reverse (24440011242413), we get a palindrome (55864222246855).

The spelling of 31424211004442 in words is "thirty-one trillion, four hundred twenty-four billion, two hundred eleven million, four thousand, four hundred forty-two".