2147231147 has 2 divisors, whose sum is σ = 2147231148. Its totient is φ = 2147231146.

The previous prime is 2147231129. The next prime is 2147231153. The reversal of 2147231147 is 7411327412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2147231147 - 2¹² = 2147227051 is a prime.

It is a super-2 number, since 2×2147231147² = 9221203197293871218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2147231117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073615573 + 1073615574.

It is an arithmetic number, because the mean of its divisors is an integer number (1073615574).

Almost surely, 2^2147231147 is an apocalyptic number.

2147231147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147231147 is an equidigital number, since it uses as much as digits as its factorization.

2147231147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 2147231147 is about 46338.2255486763. The cubic root of 2147231147 is about 1290.1085874981.

Adding to 2147231147 its reverse (7411327412), we get a palindrome (9558558559).

The spelling of 2147231147 in words is "two billion, one hundred forty-seven million, two hundred thirty-one thousand, one hundred forty-seven".