71131024032 has 24 divisors (see below), whose sum is σ = 186718938336. Its totient is φ = 23710341312.

The previous prime is 71131024007. The next prime is 71131024049. The reversal of 71131024032 is 23042013117.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 71131023993 and 71131024011.

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, 370473988 + ... + 370474179.

It is an arithmetic number, because the mean of its divisors is an integer number (7779955764).

Almost surely, 2^71131024032 is an apocalyptic number.

It is an amenable number.

71131024032 is an abundant number, since it is smaller than the sum of its proper divisors (115587914304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71131024032 is a wasteful number, since it uses less digits than its factorization.

71131024032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740948180 (or 740948172 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 71131024032 its reverse (23042013117), we get a palindrome (94173037149).

The spelling of 71131024032 in words is "seventy-one billion, one hundred thirty-one million, twenty-four thousand, thirty-two".