2113312033 has 6 divisors (see below), whose sum is σ = 2458342626. Its totient is φ = 1811410272.

The previous prime is 2113312001. The next prime is 2113312037. The reversal of 2113312033 is 3302133112.

It can be written as a sum of positive squares in only one way, i.e., 1893294144 + 220017889 = 43512^2 + 14833^2 .

It is not a de Polignac number, because 2113312033 - 2⁵ = 2113312001 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 2113312033.

It is not an unprimeable number, because it can be changed into a prime (2113312037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21564360 + ... + 21564457.

It is an arithmetic number, because the mean of its divisors is an integer number (409723771).

Almost surely, 2^2113312033 is an apocalyptic number.

It is an amenable number.

2113312033 is a deficient number, since it is larger than the sum of its proper divisors (345030593).

2113312033 is an equidigital number, since it uses as much as digits as its factorization.

2113312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43128831 (or 43128824 counting only the distinct ones).

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

The square root of 2113312033 is about 45970.7736828520. The cubic root of 2113312033 is about 1283.2793582442.

Adding to 2113312033 its reverse (3302133112), we get a palindrome (5415445145).

The spelling of 2113312033 in words is "two billion, one hundred thirteen million, three hundred twelve thousand, thirty-three".