312033012230213 has 4 divisors (see below), whose sum is σ = 312138109239660. Its totient is φ = 311927915220768.

The previous prime is 312033012230113. The next prime is 312033012230279. The reversal of 312033012230213 is 312032210330213.

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 3526515921604 + 308506496308609 = 1877902^2 + 17564353^2 .

It is a cyclic number.

It is not a de Polignac number, because 312033012230213 - 2²⁸ = 312032743794757 is a prime.

It is a super-2 number, since 2×312033012230213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312033012230113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52548500270 + ... + 52548506207.

It is an arithmetic number, because the mean of its divisors is an integer number (78034527309915).

Almost surely, 2^{312033012230213} is an apocalyptic number.

It is an amenable number.

312033012230213 is a deficient number, since it is larger than the sum of its proper divisors (105097009447).

312033012230213 is a wasteful number, since it uses less digits than its factorization.

312033012230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105097009446.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 312033012230213 its reverse (312032210330213), we get a palindrome (624065222560426).

The spelling of 312033012230213 in words is "three hundred twelve trillion, thirty-three billion, twelve million, two hundred thirty thousand, two hundred thirteen".