2160431131 has 4 divisors (see below), whose sum is σ = 2190026152. Its totient is φ = 2130836112.

The previous prime is 2160431129. The next prime is 2160431149. The reversal of 2160431131 is 1311340612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2160431131 - 2¹ = 2160431129 is a prime.

It is a super-2 number, since 2×2160431131² = 9334925343587878322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2160431191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14797401 + ... + 14797546.

It is an arithmetic number, because the mean of its divisors is an integer number (547506538).

Almost surely, 2^2160431131 is an apocalyptic number.

2160431131 is a deficient number, since it is larger than the sum of its proper divisors (29595021).

2160431131 is an equidigital number, since it uses as much as digits as its factorization.

2160431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29595020.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2160431131 is about 46480.4381541310. The cubic root of 2160431131 is about 1292.7468123331.

Adding to 2160431131 its reverse (1311340612), we get a palindrome (3471771743).

The spelling of 2160431131 in words is "two billion, one hundred sixty million, four hundred thirty-one thousand, one hundred thirty-one".