100331310021 has 8 divisors (see below), whose sum is σ = 133816140960. Its totient is φ = 66867009552.

The previous prime is 100331310019. The next prime is 100331310089. The reversal of 100331310021 is 120013133001.

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

It is not a de Polignac number, because 100331310021 - 2¹ = 100331310019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100331310421) 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, 5121210 + ... + 5140763.

It is an arithmetic number, because the mean of its divisors is an integer number (16727017620).

Almost surely, 2^100331310021 is an apocalyptic number.

It is an amenable number.

100331310021 is a deficient number, since it is larger than the sum of its proper divisors (33484830939).

100331310021 is a wasteful number, since it uses less digits than its factorization.

100331310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10265235.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 100331310021 its reverse (120013133001), we get a palindrome (220344443022).

The spelling of 100331310021 in words is "one hundred billion, three hundred thirty-one million, three hundred ten thousand, twenty-one".