2120431147 has 2 divisors, whose sum is σ = 2120431148. Its totient is φ = 2120431146.

The previous prime is 2120431087. The next prime is 2120431151. The reversal of 2120431147 is 7411340212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120431147 - 2¹¹ = 2120429099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120431177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060215573 + 1060215574.

It is an arithmetic number, because the mean of its divisors is an integer number (1060215574).

Almost surely, 2^2120431147 is an apocalyptic number.

2120431147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120431147 is an equidigital number, since it uses as much as digits as its factorization.

2120431147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2120431147 is about 46048.1394520995. The cubic root of 2120431147 is about 1284.7187375148.

Adding to 2120431147 its reverse (7411340212), we get a palindrome (9531771359).

The spelling of 2120431147 in words is "two billion, one hundred twenty million, four hundred thirty-one thousand, one hundred forty-seven".