100311231133 has 4 divisors (see below), whose sum is σ = 100324051740. Its totient is φ = 100298410528.

The previous prime is 100311231131. The next prime is 100311231151. The reversal of 100311231133 is 331132113001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331132113001 = 53 ⋅6247775717.

It can be written as a sum of positive squares in 2 ways, for example, as 22289892804 + 78021338329 = 149298^2 + 279323^2 .

It is a cyclic number.

It is not a de Polignac number, because 100311231133 - 2¹ = 100311231131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100311231133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311231131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6398560 + ... + 6414217.

It is an arithmetic number, because the mean of its divisors is an integer number (25081012935).

Almost surely, 2^100311231133 is an apocalyptic number.

It is an amenable number.

100311231133 is a deficient number, since it is larger than the sum of its proper divisors (12820607).

100311231133 is an equidigital number, since it uses as much as digits as its factorization.

100311231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12820606.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 100311231133 its reverse (331132113001), we get a palindrome (431443344134).

The spelling of 100311231133 in words is "one hundred billion, three hundred eleven million, two hundred thirty-one thousand, one hundred thirty-three".