312142223302213 has 4 divisors (see below), whose sum is σ = 312147876776428. Its totient is φ = 312136569828000.

The previous prime is 312142223302211. The next prime is 312142223302277. The reversal of 312142223302213 is 312203322241213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224488101487329 + 87654121814884 = 14982927^2 + 9362378^2 .

It is a cyclic number.

It is not a de Polignac number, because 312142223302213 - 2¹ = 312142223302211 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 (312142223302211) 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, 2826654288 + ... + 2826764713.

It is an arithmetic number, because the mean of its divisors is an integer number (78036969194107).

Almost surely, 2^{312142223302213} is an apocalyptic number.

It is an amenable number.

312142223302213 is a deficient number, since it is larger than the sum of its proper divisors (5653474215).

312142223302213 is an equidigital number, since it uses as much as digits as its factorization.

312142223302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653474214.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312142223302213 its reverse (312203322241213), we get a palindrome (624345545543426).

The spelling of 312142223302213 in words is "three hundred twelve trillion, one hundred forty-two billion, two hundred twenty-three million, three hundred two thousand, two hundred thirteen".