2012313133 has 4 divisors (see below), whose sum is σ = 2012650240. Its totient is φ = 2011976028.

The previous prime is 2012313089. The next prime is 2012313143. The reversal of 2012313133 is 3313132102.

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 a de Polignac number, because none of the positive numbers 2^k-2012313133 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 2012313133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012313143) 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, 159435 + ... + 171592.

It is an arithmetic number, because the mean of its divisors is an integer number (503162560).

Almost surely, 2^2012313133 is an apocalyptic number.

It is an amenable number.

2012313133 is a deficient number, since it is larger than the sum of its proper divisors (337107).

2012313133 is an equidigital number, since it uses as much as digits as its factorization.

2012313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337106.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2012313133 is about 44858.8133258115. The cubic root of 2012313133 is about 1262.5013577478.

Adding to 2012313133 its reverse (3313132102), we get a palindrome (5325445235).

The spelling of 2012313133 in words is "two billion, twelve million, three hundred thirteen thousand, one hundred thirty-three".