2212031131444 has 6 divisors (see below), whose sum is σ = 3871054480034. Its totient is φ = 1106015565720.

The previous prime is 2212031131417. The next prime is 2212031131469. The reversal of 2212031131444 is 4441311302122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1628717068944 + 583314062500 = 1276212^2 + 763750^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276503891427 + ... + 276503891434.

Almost surely, 2^{2212031131444} is an apocalyptic number.

It is an amenable number.

2212031131444 is a deficient number, since it is larger than the sum of its proper divisors (1659023348590).

2212031131444 is a wasteful number, since it uses less digits than its factorization.

2212031131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553007782865 (or 553007782863 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 2212031131444 its reverse (4441311302122), we get a palindrome (6653342433566).

The spelling of 2212031131444 in words is "two trillion, two hundred twelve billion, thirty-one million, one hundred thirty-one thousand, four hundred forty-four".