2321131147 has 2 divisors, whose sum is σ = 2321131148. Its totient is φ = 2321131146.

The previous prime is 2321131133. The next prime is 2321131151. The reversal of 2321131147 is 7411311232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2321131147 - 2⁷ = 2321131019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321131117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160565573 + 1160565574.

It is an arithmetic number, because the mean of its divisors is an integer number (1160565574).

Almost surely, 2^2321131147 is an apocalyptic number.

2321131147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321131147 is an equidigital number, since it uses as much as digits as its factorization.

2321131147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 2321131147 is about 48178.1189649409. The cubic root of 2321131147 is about 1324.0363035518.

Adding to 2321131147 its reverse (7411311232), we get a palindrome (9732442379).

The spelling of 2321131147 in words is "two billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred forty-seven".