102031791536 has 40 divisors (see below), whose sum is σ = 200010189600. Its totient is φ = 50416847360.

The previous prime is 102031791517. The next prime is 102031791571. The reversal of 102031791536 is 635197130201.

It is a super-2 number, since 2×102031791536² (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 102031791536.

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, 2928941 + ... + 2963571.

It is an arithmetic number, because the mean of its divisors is an integer number (5000254740).

Almost surely, 2^102031791536 is an apocalyptic number.

102031791536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102031791536 is a deficient number, since it is larger than the sum of its proper divisors (97978398064).

102031791536 is a wasteful number, since it uses less digits than its factorization.

102031791536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36797 (or 36791 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 102031791536 in words is "one hundred two billion, thirty-one million, seven hundred ninety-one thousand, five hundred thirty-six".