100331231133 has 16 divisors (see below), whose sum is σ = 154461829760. Its totient is φ = 56741078016.

The previous prime is 100331231129. The next prime is 100331231177. The reversal of 100331231133 is 331132133001.

It is not a de Polignac number, because 100331231133 - 2² = 100331231129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100331231123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24625168 + ... + 24629241.

It is an arithmetic number, because the mean of its divisors is an integer number (9653864360).

Almost surely, 2^100331231133 is an apocalyptic number.

It is an amenable number.

100331231133 is a deficient number, since it is larger than the sum of its proper divisors (54130598627).

100331231133 is an equidigital number, since it uses as much as digits as its factorization.

100331231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49254516.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 100331231133 its reverse (331132133001), we get a palindrome (431463364134).

The spelling of 100331231133 in words is "one hundred billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-three".