2111312433 has 32 divisors (see below), whose sum is σ = 3245788800. Its totient is φ = 1211728896.

The previous prime is 2111312429. The next prime is 2111312473. The reversal of 2111312433 is 3342131112.

It is not a de Polignac number, because 2111312433 - 2² = 2111312429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111312473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9466 + ... + 65667.

It is an arithmetic number, because the mean of its divisors is an integer number (101430900).

Almost surely, 2^2111312433 is an apocalyptic number.

It is an amenable number.

2111312433 is a deficient number, since it is larger than the sum of its proper divisors (1134476367).

2111312433 is a wasteful number, since it uses less digits than its factorization.

2111312433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75201.

The product of its digits is 432, while the sum is 21.

The square root of 2111312433 is about 45949.0199351412. The cubic root of 2111312433 is about 1282.8744874198.

Adding to 2111312433 its reverse (3342131112), we get a palindrome (5453443545).

The spelling of 2111312433 in words is "two billion, one hundred eleven million, three hundred twelve thousand, four hundred thirty-three".