63131938132 has 24 divisors (see below), whose sum is σ = 112738066056. Its totient is φ = 30922889088.

The previous prime is 63131938109. The next prime is 63131938151. The reversal of 63131938132 is 23183913136.

It can be written as a sum of positive squares in 4 ways, for example, as 23464336 + 63108473796 = 4844^2 + 251214^2 .

It is a super-2 number, since 2×63131938132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 89583 + ... + 366454.

It is an arithmetic number, because the mean of its divisors is an integer number (4697419419).

Almost surely, 2^63131938132 is an apocalyptic number.

It is an amenable number.

63131938132 is a deficient number, since it is larger than the sum of its proper divisors (49606127924).

63131938132 is a wasteful number, since it uses less digits than its factorization.

63131938132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456747 (or 456745 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The spelling of 63131938132 in words is "sixty-three billion, one hundred thirty-one million, nine hundred thirty-eight thousand, one hundred thirty-two".