2120444313 has 32 divisors (see below), whose sum is σ = 3212939520. Its totient is φ = 1234083840.

The previous prime is 2120444309. The next prime is 2120444317. The reversal of 2120444313 is 3134440212.

It is an interprime number because it is at equal distance from previous prime (2120444309) and next prime (2120444317).

It is not a de Polignac number, because 2120444313 - 2² = 2120444309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120444317) 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, 66553 + ... + 93113.

It is an arithmetic number, because the mean of its divisors is an integer number (100404360).

Almost surely, 2^2120444313 is an apocalyptic number.

2120444313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2120444313 is a deficient number, since it is larger than the sum of its proper divisors (1092495207).

2120444313 is a wasteful number, since it uses less digits than its factorization.

2120444313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26689.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2120444313 is about 46048.2824109651. The cubic root of 2120444313 is about 1284.7213964979.

Adding to 2120444313 its reverse (3134440212), we get a palindrome (5254884525).

The spelling of 2120444313 in words is "two billion, one hundred twenty million, four hundred forty-four thousand, three hundred thirteen".