2031100133 has 4 divisors (see below), whose sum is σ = 2138000160. Its totient is φ = 1924200108.

The previous prime is 2031100121. The next prime is 2031100139. The reversal of 2031100133 is 3310011302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2031100133 - 2²⁰ = 2030051557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031100139) 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, 53449985 + ... + 53450022.

It is an arithmetic number, because the mean of its divisors is an integer number (534500040).

Almost surely, 2^2031100133 is an apocalyptic number.

It is an amenable number.

2031100133 is a deficient number, since it is larger than the sum of its proper divisors (106900027).

2031100133 is a wasteful number, since it uses less digits than its factorization.

2031100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106900026.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2031100133 is about 45067.7282875452. The cubic root of 2031100133 is about 1266.4181075148.

Adding to 2031100133 its reverse (3310011302), we get a palindrome (5341111435).

The spelling of 2031100133 in words is "two billion, thirty-one million, one hundred thousand, one hundred thirty-three".