312404042020333 has 4 divisors (see below), whose sum is σ = 312408031067100. Its totient is φ = 312400052973568.

The previous prime is 312404042020331. The next prime is 312404042020429. The reversal of 312404042020333 is 333020240404213.

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 139498846987369 + 172905195032964 = 11810963^2 + 13149342^2 .

It is a cyclic number.

It is not a de Polignac number, because 312404042020333 - 2¹ = 312404042020331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312404042020295 and 312404042020304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312404042020331) 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, 1994405908 + ... + 1994562541.

It is an arithmetic number, because the mean of its divisors is an integer number (78102007766775).

Almost surely, 2^{312404042020333} is an apocalyptic number.

It is an amenable number.

312404042020333 is a deficient number, since it is larger than the sum of its proper divisors (3989046767).

312404042020333 is an equidigital number, since it uses as much as digits as its factorization.

312404042020333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989046766.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 312404042020333 its reverse (333020240404213), we get a palindrome (645424282424546).

The spelling of 312404042020333 in words is "three hundred twelve trillion, four hundred four billion, forty-two million, twenty thousand, three hundred thirty-three".