312210301011321 has 48 divisors (see below), whose sum is σ = 447950061747200. Its totient is φ = 192887163028512.

The previous prime is 312210301011317. The next prime is 312210301011337. The reversal of 312210301011321 is 123110103012213.

It is not a de Polignac number, because 312210301011321 - 2² = 312210301011317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312210301011391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235930716 + ... + 237250338.

Almost surely, 2^{312210301011321} is an apocalyptic number.

It is an amenable number.

312210301011321 is a deficient number, since it is larger than the sum of its proper divisors (135739760735879).

312210301011321 is a wasteful number, since it uses less digits than its factorization.

312210301011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321618 (or 1321571 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 312210301011321 its reverse (123110103012213), we get a palindrome (435320404023534).

The spelling of 312210301011321 in words is "three hundred twelve trillion, two hundred ten billion, three hundred one million, eleven thousand, three hundred twenty-one".