100031322320 has 40 divisors (see below), whose sum is σ = 236961000936. Its totient is φ = 39257573888.

The previous prime is 100031322317. The next prime is 100031322353. The reversal of 100031322320 is 23223130001.

It can be written as a sum of positive squares in 4 ways, for example, as 12685066384 + 87346255936 = 112628^2 + 295544^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 11791907 + ... + 11800386.

Almost surely, 2^100031322320 is an apocalyptic number.

100031322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100031322320 is an abundant number, since it is smaller than the sum of its proper divisors (136929678616).

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

100031322320 is a wasteful number, since it uses less digits than its factorization.

100031322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23592359 (or 23592353 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100031322320 its reverse (23223130001), we get a palindrome (123254452321).

The spelling of 100031322320 in words is "one hundred billion, thirty-one million, three hundred twenty-two thousand, three hundred twenty".