2131144444234 has 16 divisors (see below), whose sum is σ = 3442642156800. Its totient is φ = 983598211440.

The previous prime is 2131144444201. The next prime is 2131144444271. The reversal of 2131144444234 is 4324444411312.

It is a junction number, because it is equal to n+sod(n) for n = 2131144444193 and 2131144444202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6474367 + ... + 6795565.

It is an arithmetic number, because the mean of its divisors is an integer number (215165134800).

Almost surely, 2^{2131144444234} is an apocalyptic number.

2131144444234 is a deficient number, since it is larger than the sum of its proper divisors (1311497712566).

2131144444234 is a wasteful number, since it uses less digits than its factorization.

2131144444234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576405.

The product of its digits is 147456, while the sum is 37.

Adding to 2131144444234 its reverse (4324444411312), we get a palindrome (6455588855546).

The spelling of 2131144444234 in words is "two trillion, one hundred thirty-one billion, one hundred forty-four million, four hundred forty-four thousand, two hundred thirty-four".