2330781321 has 32 divisors (see below), whose sum is σ = 3435706368. Its totient is φ = 1393755840.

The previous prime is 2330781307. The next prime is 2330781347. The reversal of 2330781321 is 1231870332.

2330781321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2330781321 - 2⁵ = 2330781289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2330781421) 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, 976896 + ... + 979278.

It is an arithmetic number, because the mean of its divisors is an integer number (107365824).

Almost surely, 2^2330781321 is an apocalyptic number.

It is an amenable number.

2330781321 is a deficient number, since it is larger than the sum of its proper divisors (1104925047).

2330781321 is a wasteful number, since it uses less digits than its factorization.

2330781321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2330781321 is about 48278.1660898589. The cubic root of 2330781321 is about 1325.8686737075.

The spelling of 2330781321 in words is "two billion, three hundred thirty million, seven hundred eighty-one thousand, three hundred twenty-one".