31326322042 has 12 divisors (see below), whose sum is σ = 49916164590. Its totient is φ = 14741798336.

The previous prime is 31326321989. The next prime is 31326322103. The reversal of 31326322042 is 24022362313.

It can be written as a sum of positive squares in 3 ways, for example, as 31282643161 + 43678881 = 176869^2 + 6609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31326322042.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27098317 + ... + 27099472.

Almost surely, 2^31326322042 is an apocalyptic number.

31326322042 is a deficient number, since it is larger than the sum of its proper divisors (18589842548).

31326322042 is a wasteful number, since it uses less digits than its factorization.

31326322042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54197825 (or 54197808 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31326322042 its reverse (24022362313), we get a palindrome (55348684355).

The spelling of 31326322042 in words is "thirty-one billion, three hundred twenty-six million, three hundred twenty-two thousand, forty-two".