2231012144 has 20 divisors (see below), whose sum is σ = 4510525296. Its totient is φ = 1067005632.

The previous prime is 2231012143. The next prime is 2231012159. The reversal of 2231012144 is 4412101322.

It is a super-3 number, since 3×2231012144³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231012141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3030899 + ... + 3031634.

Almost surely, 2^2231012144 is an apocalyptic number.

It is an amenable number.

2231012144 is an abundant number, since it is smaller than the sum of its proper divisors (2279513152).

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

2231012144 is a wasteful number, since it uses less digits than its factorization.

2231012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062564 (or 6062558 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2231012144 is about 47233.5912672327. The cubic root of 2231012144 is about 1306.6741858284.

Adding to 2231012144 its reverse (4412101322), we get a palindrome (6643113466).

The spelling of 2231012144 in words is "two billion, two hundred thirty-one million, twelve thousand, one hundred forty-four".