101813322724 has 9 divisors (see below), whose sum is σ = 178174431561. Its totient is φ = 50906342280.

The previous prime is 101813322707. The next prime is 101813322749. The reversal of 101813322724 is 427223318101.

The square root of 101813322724 is 319082.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 33190281124 + 68623041600 = 182182^2 + 261960^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101813322724.

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 2 ways as a sum of consecutive naturals, for example, 558394 + ... + 717934.

Almost surely, 2^101813322724 is an apocalyptic number.

101813322724 is the 319082-nd square number.

It is an amenable number.

101813322724 is a deficient number, since it is larger than the sum of its proper divisors (76361108837).

101813322724 is an frugal number, since it uses more digits than its factorization.

101813322724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319086 (or 159543 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 101813322724 in words is "one hundred one billion, eight hundred thirteen million, three hundred twenty-two thousand, seven hundred twenty-four".