2113123330 has 16 divisors (see below), whose sum is σ = 3813826104. Its totient is φ = 842981760.

The previous prime is 2113123319. The next prime is 2113123357. The reversal of 2113123330 is 333213112.

It can be written as a sum of positive squares in 4 ways, for example, as 1539856081 + 573267249 = 39241^2 + 23943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2113123298 and 2113123307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279531 + ... + 286990.

Almost surely, 2^2113123330 is an apocalyptic number.

2113123330 is a deficient number, since it is larger than the sum of its proper divisors (1700702774).

2113123330 is a wasteful number, since it uses less digits than its factorization.

2113123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566901.

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

The square root of 2113123330 is about 45968.7212134512. The cubic root of 2113123330 is about 1283.2411613493.

Adding to 2113123330 its reverse (333213112), we get a palindrome (2446336442).

The spelling of 2113123330 in words is "two billion, one hundred thirteen million, one hundred twenty-three thousand, three hundred thirty".