2231000231112 has 48 divisors (see below), whose sum is σ = 6042361738140. Its totient is φ = 743658196608.

The previous prime is 2231000231111. The next prime is 2231000231123. The reversal of 2231000231112 is 2111320001322.

2231000231112 is a `hidden beast` number, since 223 + 100 + 0 + 231 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2100140062596 + 130860168516 = 1449186^2 + 361746^2 .

It is a super-3 number, since 3×2231000231112³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2231000231111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10784878 + ... + 10989794.

Almost surely, 2^{2231000231112} is an apocalyptic number.

It is an amenable number.

2231000231112 is an abundant number, since it is smaller than the sum of its proper divisors (3811361507028).

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

2231000231112 is a wasteful number, since it uses less digits than its factorization.

2231000231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356142 (or 356135 counting only the distinct ones).

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

Adding to 2231000231112 its reverse (2111320001322), we get a palindrome (4342320232434).

The spelling of 2231000231112 in words is "two trillion, two hundred thirty-one billion, two hundred thirty-one thousand, one hundred twelve".