2131423452244 has 48 divisors (see below), whose sum is σ = 4049672602752. Its totient is φ = 977866002432.

The previous prime is 2131423452229. The next prime is 2131423452271. The reversal of 2131423452244 is 4422543241312.

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, 1969552 + ... + 2853415.

It is an arithmetic number, because the mean of its divisors is an integer number (84368179224).

Almost surely, 2^{2131423452244} is an apocalyptic number.

It is an amenable number.

2131423452244 is a deficient number, since it is larger than the sum of its proper divisors (1918249150508).

2131423452244 is a wasteful number, since it uses less digits than its factorization.

2131423452244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823152 (or 4823150 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 2131423452244 its reverse (4422543241312), we get a palindrome (6553966693556).

The spelling of 2131423452244 in words is "two trillion, one hundred thirty-one billion, four hundred twenty-three million, four hundred fifty-two thousand, two hundred forty-four".