2130330321 has 24 divisors (see below), whose sum is σ = 3671319840. Its totient is φ = 1217330856.

The previous prime is 2130330317. The next prime is 2130330329. The reversal of 2130330321 is 1230330312.

2130330321 is a `hidden beast` number, since 2 + 13 + 0 + 330 + 321 = 666.

It is not a de Polignac number, because 2130330321 - 2² = 2130330317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130330294 and 2130330303.

It is not an unprimeable number, because it can be changed into a prime (2130330329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 803791 + ... + 806436.

It is an arithmetic number, because the mean of its divisors is an integer number (152971660).

Almost surely, 2^2130330321 is an apocalyptic number.

2130330321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2130330321 is a deficient number, since it is larger than the sum of its proper divisors (1540989519).

2130330321 is a wasteful number, since it uses less digits than its factorization.

2130330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610250 (or 1610237 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2130330321 is about 46155.5015247370. The cubic root of 2130330321 is about 1286.7148590488.

Adding to 2130330321 its reverse (1230330312), we get a palindrome (3360660633).

Subtracting from 2130330321 its reverse (1230330312), we obtain a palindrome (900000009).

The spelling of 2130330321 in words is "two billion, one hundred thirty million, three hundred thirty thousand, three hundred twenty-one".