312213102203111 has 16 divisors (see below), whose sum is σ = 346516854048288. Its totient is φ = 280013619379200.

The previous prime is 312213102203047. The next prime is 312213102203153. The reversal of 312213102203111 is 111302201312213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312213102203111 - 2⁶ = 312213102203047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312213102203411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5208556700 + ... + 5208616641.

It is an arithmetic number, because the mean of its divisors is an integer number (21657303378018).

Almost surely, 2^{312213102203111} is an apocalyptic number.

312213102203111 is a deficient number, since it is larger than the sum of its proper divisors (34303751845177).

312213102203111 is a wasteful number, since it uses less digits than its factorization.

312213102203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417173442.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 312213102203111 its reverse (111302201312213), we get a palindrome (423515303515324).

The spelling of 312213102203111 in words is "three hundred twelve trillion, two hundred thirteen billion, one hundred two million, two hundred three thousand, one hundred eleven".