2312440133 has 8 divisors (see below), whose sum is σ = 2411646720. Its totient is φ = 2214771840.

The previous prime is 2312440069. The next prime is 2312440157. The reversal of 2312440133 is 3310442132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2312440133 - 2⁶ = 2312440069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312440099 and 2312440108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312449133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381503 + ... + 387516.

It is an arithmetic number, because the mean of its divisors is an integer number (301455840).

Almost surely, 2^2312440133 is an apocalyptic number.

It is an amenable number.

2312440133 is a deficient number, since it is larger than the sum of its proper divisors (99206587).

2312440133 is an equidigital number, since it uses as much as digits as its factorization.

2312440133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769147.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2312440133 is about 48087.8376827239. The cubic root of 2312440133 is about 1322.3817065134.

Adding to 2312440133 its reverse (3310442132), we get a palindrome (5622882265).

The spelling of 2312440133 in words is "two billion, three hundred twelve million, four hundred forty thousand, one hundred thirty-three".