312232101232213 has 4 divisors (see below), whose sum is σ = 312232423510080. Its totient is φ = 312231778954348.

The previous prime is 312232101232189. The next prime is 312232101232253.

312232101232213 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312232101232213 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 (312232101232253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159681295 + ... + 161624812.

It is an arithmetic number, because the mean of its divisors is an integer number (78058105877520).

Almost surely, 2^{312232101232213} is an apocalyptic number.

It is an amenable number.

312232101232213 is a deficient number, since it is larger than the sum of its proper divisors (322277867).

312232101232213 is an equidigital number, since it uses as much as digits as its factorization.

312232101232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322277866.

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 31223210 and 1232213, that added together give a palindrome (32455423).

The spelling of 312232101232213 in words is "three hundred twelve trillion, two hundred thirty-two billion, one hundred one million, two hundred thirty-two thousand, two hundred thirteen".