71231229496 has 32 divisors (see below), whose sum is σ = 152673085440. Its totient is φ = 30520722528.

The previous prime is 71231229467. The next prime is 71231229499. The reversal of 71231229496 is 69492213217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71231229499) by changing a digit.

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, 107425 + ... + 392431.

It is an arithmetic number, because the mean of its divisors is an integer number (4771033920).

Almost surely, 2^71231229496 is an apocalyptic number.

It is an amenable number.

71231229496 is an abundant number, since it is smaller than the sum of its proper divisors (81441855944).

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

71231229496 is a wasteful number, since it uses less digits than its factorization.

71231229496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289483 (or 289479 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The spelling of 71231229496 in words is "seventy-one billion, two hundred thirty-one million, two hundred twenty-nine thousand, four hundred ninety-six".