2261031112230 has 128 divisors (see below), whose sum is σ = 6006092944896. Its totient is φ = 540190924800.

The previous prime is 2261031112211. The next prime is 2261031112237. The reversal of 2261031112230 is 322111301622.

It is a super-2 number, since 2×2261031112230² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2261031112230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261031112237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6648940 + ... + 6980720.

It is an arithmetic number, because the mean of its divisors is an integer number (46922601132).

Almost surely, 2^{2261031112230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2261031112230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3003046472448).

2261031112230 is an abundant number, since it is smaller than the sum of its proper divisors (3745061832666).

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

2261031112230 is a wasteful number, since it uses less digits than its factorization.

2261031112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332102.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2261031112230 its reverse (322111301622), we get a palindrome (2583142413852).

The spelling of 2261031112230 in words is "two trillion, two hundred sixty-one billion, thirty-one million, one hundred twelve thousand, two hundred thirty".