2133312312 has 16 divisors (see below), whose sum is σ = 5333280840. Its totient is φ = 711104096.

The previous prime is 2133312299. The next prime is 2133312317. The reversal of 2133312312 is 2132133312.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133312317) 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, 44443983 + ... + 44444030.

Almost surely, 2^2133312312 is an apocalyptic number.

It is an amenable number.

2133312312 is an abundant number, since it is smaller than the sum of its proper divisors (3199968528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133312312 is a wasteful number, since it uses less digits than its factorization.

2133312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88888022 (or 88888018 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2133312312 is about 46187.7939720009. The cubic root of 2133312312 is about 1287.3149511532.

Adding to 2133312312 its reverse (2132133312), we get a palindrome (4265445624).

The spelling of 2133312312 in words is "two billion, one hundred thirty-three million, three hundred twelve thousand, three hundred twelve".