2130431047 has 2 divisors, whose sum is σ = 2130431048. Its totient is φ = 2130431046.

The previous prime is 2130431033. The next prime is 2130431071. The reversal of 2130431047 is 7401340312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130431047 - 2¹⁵ = 2130398279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130438047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065215523 + 1065215524.

It is an arithmetic number, because the mean of its divisors is an integer number (1065215524).

Almost surely, 2^2130431047 is an apocalyptic number.

2130431047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130431047 is an equidigital number, since it uses as much as digits as its factorization.

2130431047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2130431047 is about 46156.5926710367. The cubic root of 2130431047 is about 1286.7351381571.

Adding to 2130431047 its reverse (7401340312), we get a palindrome (9531771359).

The spelling of 2130431047 in words is "two billion, one hundred thirty million, four hundred thirty-one thousand, forty-seven".