31433244112 has 20 divisors (see below), whose sum is σ = 60912030820. Its totient is φ = 15714010368.

The previous prime is 31433244109. The next prime is 31433244121. The reversal of 31433244112 is 21144233413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28467788176 + 2965455936 = 168724^2 + 54456^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 62037 + ... + 258292.

It is an arithmetic number, because the mean of its divisors is an integer number (3045601541).

Almost surely, 2^31433244112 is an apocalyptic number.

It is an amenable number.

31433244112 is a deficient number, since it is larger than the sum of its proper divisors (29478786708).

31433244112 is a wasteful number, since it uses less digits than its factorization.

31433244112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326470 (or 326464 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 31433244112 its reverse (21144233413), we get a palindrome (52577477525).

The spelling of 31433244112 in words is "thirty-one billion, four hundred thirty-three million, two hundred forty-four thousand, one hundred twelve".