31132031332132 has 12 divisors (see below), whose sum is σ = 54488583008860. Its totient is φ = 15563864758176.

The previous prime is 31132031332049. The next prime is 31132031332139. The reversal of 31132031332132 is 23123313023113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25496278779456 + 5635752552676 = 5049384^2 + 2373974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31132031332132.

It is not an unprimeable number, because it can be changed into a prime (31132031332139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537694407 + ... + 537752302.

Almost surely, 2^{31132031332132} is an apocalyptic number.

It is an amenable number.

31132031332132 is a deficient number, since it is larger than the sum of its proper divisors (23356551676728).

31132031332132 is a wasteful number, since it uses less digits than its factorization.

31132031332132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075453950 (or 1075453948 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 31132031332132 its reverse (23123313023113), we get a palindrome (54255344355245).

The spelling of 31132031332132 in words is "thirty-one trillion, one hundred thirty-two billion, thirty-one million, three hundred thirty-two thousand, one hundred thirty-two".