31441344442 has 16 divisors (see below), whose sum is σ = 49350571272. Its totient is φ = 15007187520.

The previous prime is 31441344397. The next prime is 31441344491. The reversal of 31441344442 is 24444314413.

It can be written as a sum of positive squares in 4 ways, for example, as 31162487841 + 278856601 = 176529^2 + 16699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31441344398 and 31441344407.

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 7 ways as a sum of consecutive naturals, for example, 4004409 + ... + 4012252.

Almost surely, 2^31441344442 is an apocalyptic number.

31441344442 is a deficient number, since it is larger than the sum of its proper divisors (17909226830).

31441344442 is a wasteful number, since it uses less digits than its factorization.

31441344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016753.

The product of its digits is 73728, while the sum is 34.

Adding to 31441344442 its reverse (24444314413), we get a palindrome (55885658855).

The spelling of 31441344442 in words is "thirty-one billion, four hundred forty-one million, three hundred forty-four thousand, four hundred forty-two".