31212004100344 has 16 divisors (see below), whose sum is σ = 58522678170120. Its totient is φ = 15605956588320.

The previous prime is 31212004100297. The next prime is 31212004100353. The reversal of 31212004100344 is 44300140021213.

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, 2670987 + ... + 8340154.

Almost surely, 2^{31212004100344} is an apocalyptic number.

It is an amenable number.

31212004100344 is a deficient number, since it is larger than the sum of its proper divisors (27310674069776).

31212004100344 is a wasteful number, since it uses less digits than its factorization.

31212004100344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365470 (or 11365466 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31212004100344 its reverse (44300140021213), we get a palindrome (75512144121557).

The spelling of 31212004100344 in words is "thirty-one trillion, two hundred twelve billion, four million, one hundred thousand, three hundred forty-four".