2133232313 has 4 divisors (see below), whose sum is σ = 2225981568. Its totient is φ = 2040483060.

The previous prime is 2133232307. The next prime is 2133232393. The reversal of 2133232313 is 3132323312.

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 not a de Polignac number, because 2133232313 - 2⁶ = 2133232249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 92749231 = 2133232313 / (2 + 1 + 3 + 3 + 2 + 3 + 2 + 3 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2133232393) 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, 46374593 + ... + 46374638.

It is an arithmetic number, because the mean of its divisors is an integer number (556495392).

Almost surely, 2^2133232313 is an apocalyptic number.

2133232313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2133232313 is a deficient number, since it is larger than the sum of its proper divisors (92749255).

2133232313 is an equidigital number, since it uses as much as digits as its factorization.

2133232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92749254.

The product of its digits is 1944, while the sum is 23.

The square root of 2133232313 is about 46186.9279450366. The cubic root of 2133232313 is about 1287.2988595577.

Adding to 2133232313 its reverse (3132323312), we get a palindrome (5265555625).

Subtracting 2133232313 from its reverse (3132323312), we obtain a palindrome (999090999).

The spelling of 2133232313 in words is "two billion, one hundred thirty-three million, two hundred thirty-two thousand, three hundred thirteen".