2120332313 has 4 divisors (see below), whose sum is σ = 2313089808. Its totient is φ = 1927574820.

The previous prime is 2120332309. The next prime is 2120332381. The reversal of 2120332313 is 3132330212.

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 2120332313 - 2² = 2120332309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120332213) 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, 96378731 + ... + 96378752.

It is an arithmetic number, because the mean of its divisors is an integer number (578272452).

Almost surely, 2^2120332313 is an apocalyptic number.

It is an amenable number.

2120332313 is a deficient number, since it is larger than the sum of its proper divisors (192757495).

2120332313 is a wasteful number, since it uses less digits than its factorization.

2120332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192757494.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2120332313 is about 46047.0662800574. The cubic root of 2120332313 is about 1284.6987768157.

Adding to 2120332313 its reverse (3132330212), we get a palindrome (5252662525).

It can be divided in two parts, 2120 and 332313, that added together give a palindrome (334433).

The spelling of 2120332313 in words is "two billion, one hundred twenty million, three hundred thirty-two thousand, three hundred thirteen".