2321144261 has 2 divisors, whose sum is σ = 2321144262. Its totient is φ = 2321144260.

The previous prime is 2321144239. The next prime is 2321144269. The reversal of 2321144261 is 1624411232.

2321144261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1837408225 + 483736036 = 42865^2 + 21994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321144261 is a prime.

It is a super-2 number, since 2×2321144261² = 10775421360746472242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2321144261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321144269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160572130 + 1160572131.

It is an arithmetic number, because the mean of its divisors is an integer number (1160572131).

Almost surely, 2^2321144261 is an apocalyptic number.

It is an amenable number.

2321144261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321144261 is an equidigital number, since it uses as much as digits as its factorization.

2321144261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 2321144261 is about 48178.2550638771. The cubic root of 2321144261 is about 1324.0387970745.

Adding to 2321144261 its reverse (1624411232), we get a palindrome (3945555493).

The spelling of 2321144261 in words is "two billion, three hundred twenty-one million, one hundred forty-four thousand, two hundred sixty-one".