2130044321 has 2 divisors, whose sum is σ = 2130044322. Its totient is φ = 2130044320.

The previous prime is 2130044311. The next prime is 2130044333. The reversal of 2130044321 is 1234400312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2094343696 + 35700625 = 45764^2 + 5975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130044321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130044293 and 2130044302.

It is not a weakly prime, because it can be changed into another prime (2130044311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065022160 + 1065022161.

It is an arithmetic number, because the mean of its divisors is an integer number (1065022161).

Almost surely, 2^2130044321 is an apocalyptic number.

It is an amenable number.

2130044321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130044321 is an equidigital number, since it uses as much as digits as its factorization.

2130044321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2130044321 is about 46152.4031985334. The cubic root of 2130044321 is about 1286.6572753468.

Adding to 2130044321 its reverse (1234400312), we get a palindrome (3364444633).

The spelling of 2130044321 in words is "two billion, one hundred thirty million, forty-four thousand, three hundred twenty-one".