3121313413444 has 24 divisors (see below), whose sum is σ = 5505622965248. Its totient is φ = 1548279684000.

The previous prime is 3121313413423. The next prime is 3121313413483. The reversal of 3121313413444 is 4443143131213.

It is a super-2 number, since 2×3121313413444² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9228319 + ... + 9560569.

Almost surely, 2^{3121313413444} is an apocalyptic number.

It is an amenable number.

3121313413444 is a deficient number, since it is larger than the sum of its proper divisors (2384309551804).

3121313413444 is a wasteful number, since it uses less digits than its factorization.

3121313413444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350875 (or 350873 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

Adding to 3121313413444 its reverse (4443143131213), we get a palindrome (7564456544657).

The spelling of 3121313413444 in words is "three trillion, one hundred twenty-one billion, three hundred thirteen million, four hundred thirteen thousand, four hundred forty-four".