71031300248 has 32 divisors (see below), whose sum is σ = 134254243200. Its totient is φ = 35230920192.

The previous prime is 71031300211. The next prime is 71031300271. The reversal of 71031300248 is 84200313017.

It is a super-2 number, since 2×71031300248² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71031300248.

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, 715808 + ... + 808976.

It is an arithmetic number, because the mean of its divisors is an integer number (4195445100).

Almost surely, 2^71031300248 is an apocalyptic number.

It is an amenable number.

71031300248 is a deficient number, since it is larger than the sum of its proper divisors (63222942952).

71031300248 is a wasteful number, since it uses less digits than its factorization.

71031300248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93939 (or 93935 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 71031300248 in words is "seventy-one billion, thirty-one million, three hundred thousand, two hundred forty-eight".