100031331021344 has 48 divisors (see below), whose sum is σ = 210366514137528. Its totient is φ = 46656987267072.

The previous prime is 100031331021301. The next prime is 100031331021367. The reversal of 100031331021344 is 443120133130001.

It can be written as a sum of positive squares in 4 ways, for example, as 93712080250000 + 6319250771344 = 9680500^2 + 2513812^2 .

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, 813571817 + ... + 813694760.

Almost surely, 2^{100031331021344} is an apocalyptic number.

It is an amenable number.

100031331021344 is an abundant number, since it is smaller than the sum of its proper divisors (110335183116184).

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

100031331021344 is a wasteful number, since it uses less digits than its factorization.

100031331021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627266717 (or 1627266709 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 100031331021344 its reverse (443120133130001), we get a palindrome (543151464151345).

The spelling of 100031331021344 in words is "one hundred trillion, thirty-one billion, three hundred thirty-one million, twenty-one thousand, three hundred forty-four".