3131223210424 has 16 divisors (see below), whose sum is σ = 5897371072320. Its totient is φ = 1558590924480.

The previous prime is 3131223210377. The next prime is 3131223210481. The reversal of 3131223210424 is 4240123221313.

It is a junction number, because it is equal to n+sod(n) for n = 3131223210392 and 3131223210401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877583197 + ... + 877586764.

It is an arithmetic number, because the mean of its divisors is an integer number (368585692020).

Almost surely, 2^{3131223210424} is an apocalyptic number.

It is an amenable number.

3131223210424 is a deficient number, since it is larger than the sum of its proper divisors (2766147861896).

3131223210424 is a wasteful number, since it uses less digits than its factorization.

3131223210424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755170190 (or 1755170186 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 3131223210424 its reverse (4240123221313), we get a palindrome (7371346431737).

The spelling of 3131223210424 in words is "three trillion, one hundred thirty-one billion, two hundred twenty-three million, two hundred ten thousand, four hundred twenty-four".