100020321331 has 8 divisors (see below), whose sum is σ = 115320523104. Its totient is φ = 84973015680.

The previous prime is 100020321307. The next prime is 100020321337. The reversal of 100020321331 is 133123020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100020321331 - 2²¹ = 100018224179 is a prime.

It is a super-2 number, since 2×100020321331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020321337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63223180 + ... + 63224761.

It is an arithmetic number, because the mean of its divisors is an integer number (14415065388).

Almost surely, 2^100020321331 is an apocalyptic number.

100020321331 is a deficient number, since it is larger than the sum of its proper divisors (15300201773).

100020321331 is a wasteful number, since it uses less digits than its factorization.

100020321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126448061.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100020321331 its reverse (133123020001), we get a palindrome (233143341332).

The spelling of 100020321331 in words is "one hundred billion, twenty million, three hundred twenty-one thousand, three hundred thirty-one".