312231303132213 has 32 divisors (see below), whose sum is σ = 429513231877632. Its totient is φ = 201643648128000.

The previous prime is 312231303132191. The next prime is 312231303132347.

312231303132213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312231303132213 - 2¹⁶ = 312231303066677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231303132013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40933695 + ... + 47958627.

It is an arithmetic number, because the mean of its divisors is an integer number (13422288496176).

Almost surely, 2^{312231303132213} is an apocalyptic number.

It is an amenable number.

312231303132213 is a deficient number, since it is larger than the sum of its proper divisors (117281928745419).

312231303132213 is a wasteful number, since it uses less digits than its factorization.

312231303132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028205.

The product of its (nonzero) digits is 11664, while the sum is 30.

It can be divided in two parts, 31223130 and 3132213, that added together give a palindrome (34355343).

The spelling of 312231303132213 in words is "three hundred twelve trillion, two hundred thirty-one billion, three hundred three million, one hundred thirty-two thousand, two hundred thirteen".