3131443143344 has 10 divisors (see below), whose sum is σ = 6067171090260. Its totient is φ = 1565721571664.

The previous prime is 3131443143343. The next prime is 3131443143371. The reversal of 3131443143344 is 4433413441313.

It is a junction number, because it is equal to n+sod(n) for n = 3131443143298 and 3131443143307.

It is not an unprimeable number, because it can be changed into a prime (3131443143343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97857598214 + ... + 97857598245.

It is an arithmetic number, because the mean of its divisors is an integer number (606717109026).

Almost surely, 2^{3131443143344} is an apocalyptic number.

It is an amenable number.

3131443143344 is a deficient number, since it is larger than the sum of its proper divisors (2935727946916).

3131443143344 is a wasteful number, since it uses less digits than its factorization.

3131443143344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195715196467 (or 195715196461 counting only the distinct ones).

The product of its digits is 248832, while the sum is 38.

Adding to 3131443143344 its reverse (4433413441313), we get a palindrome (7564856584657).

The spelling of 3131443143344 in words is "three trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred forty-three thousand, three hundred forty-four".