100311303133 has 4 divisors (see below), whose sum is σ = 100312333308. Its totient is φ = 100310272960.

The previous prime is 100311303083. The next prime is 100311303139. The reversal of 100311303133 is 331303113001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 27679975129 + 72631328004 = 166373^2 + 269502^2 .

It is a cyclic number.

It is not a de Polignac number, because 100311303133 - 2⁹ = 100311302621 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 100311303133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311303139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351766 + ... + 569527.

It is an arithmetic number, because the mean of its divisors is an integer number (25078083327).

Almost surely, 2^100311303133 is an apocalyptic number.

It is an amenable number.

100311303133 is a deficient number, since it is larger than the sum of its proper divisors (1030175).

100311303133 is an equidigital number, since it uses as much as digits as its factorization.

100311303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030174.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 100311303133 its reverse (331303113001), we get a palindrome (431614416134).

The spelling of 100311303133 in words is "one hundred billion, three hundred eleven million, three hundred three thousand, one hundred thirty-three".