2131232244 has 48 divisors (see below), whose sum is σ = 5012582400. Its totient is φ = 704760160.

The previous prime is 2131232231. The next prime is 2131232267. The reversal of 2131232244 is 4422321312.

It is a happy number.

It is a super-3 number, since 3×2131232244³ (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014307 + ... + 1016405.

It is an arithmetic number, because the mean of its divisors is an integer number (104428800).

Almost surely, 2^2131232244 is an apocalyptic number.

It is an amenable number.

2131232244 is an abundant number, since it is smaller than the sum of its proper divisors (2881350156).

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

2131232244 is a wasteful number, since it uses less digits than its factorization.

2131232244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2738 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 2131232244 is about 46165.2709728861. The cubic root of 2131232244 is about 1286.8964199356.

Adding to 2131232244 its reverse (4422321312), we get a palindrome (6553553556).

The spelling of 2131232244 in words is "two billion, one hundred thirty-one million, two hundred thirty-two thousand, two hundred forty-four".