2211131230 has 64 divisors (see below), whose sum is σ = 5083223040. Its totient is φ = 672364800.

The previous prime is 2211131227. The next prime is 2211131257. The reversal of 2211131230 is 321311122.

It is a super-3 number, since 3×2211131230³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3450 + ... + 66589.

It is an arithmetic number, because the mean of its divisors is an integer number (79425360).

Almost surely, 2^2211131230 is an apocalyptic number.

2211131230 is an abundant number, since it is smaller than the sum of its proper divisors (2872091810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211131230 is a wasteful number, since it uses less digits than its factorization.

2211131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70105.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2211131230 is about 47022.6671935993. The cubic root of 2211131230 is about 1302.7812702515.

Adding to 2211131230 its reverse (321311122), we get a palindrome (2532442352).

The spelling of 2211131230 in words is "two billion, two hundred eleven million, one hundred thirty-one thousand, two hundred thirty".