2211430131 has 6 divisors (see below), whose sum is σ = 3194287980. Its totient is φ = 1474286748.

The previous prime is 2211430049. The next prime is 2211430139. The reversal of 2211430131 is 1310341122.

2211430131 is a `hidden beast` number, since 221 + 1 + 430 + 13 + 1 = 666.

It is not a de Polignac number, because 2211430131 - 2¹¹ = 2211428083 is a prime.

It is a super-2 number, since 2×2211430131² = 9780846448589354322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211430139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122857221 + ... + 122857238.

It is an arithmetic number, because the mean of its divisors is an integer number (532381330).

Almost surely, 2^2211430131 is an apocalyptic number.

2211430131 is a deficient number, since it is larger than the sum of its proper divisors (982857849).

2211430131 is a wasteful number, since it uses less digits than its factorization.

2211430131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245714465 (or 245714462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2211430131 is about 47025.8453512534. The cubic root of 2211430131 is about 1302.8399709856.

Adding to 2211430131 its reverse (1310341122), we get a palindrome (3521771253).

The spelling of 2211430131 in words is "two billion, two hundred eleven million, four hundred thirty thousand, one hundred thirty-one".