71321133032 has 32 divisors (see below), whose sum is σ = 135086178600. Its totient is φ = 35298336000.

The previous prime is 71321133019. The next prime is 71321133097. The reversal of 71321133032 is 23033112317.

It can be written as a sum of positive squares in 4 ways, for example, as 48209228356 + 23111904676 = 219566^2 + 152026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71321132992 and 71321133010.

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 7 ways as a sum of consecutive naturals, for example, 3957482 + ... + 3975462.

Almost surely, 2^71321133032 is an apocalyptic number.

It is an amenable number.

71321133032 is a deficient number, since it is larger than the sum of its proper divisors (63765045568).

71321133032 is a wasteful number, since it uses less digits than its factorization.

71321133032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22997 (or 22993 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 71321133032 its reverse (23033112317), we get a palindrome (94354245349).

The spelling of 71321133032 in words is "seventy-one billion, three hundred twenty-one million, one hundred thirty-three thousand, thirty-two".