312402321213133 has 8 divisors (see below), whose sum is σ = 315913284078840. Its totient is φ = 308891376668160.

The previous prime is 312402321213109. The next prime is 312402321213137. The reversal of 312402321213133 is 331312123204213.

It can be written as a sum of positive squares in 4 ways, for example, as 14174185879044 + 298228135334089 = 3764862^2 + 17269283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312402321213133 - 2⁹ = 312402321212621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312402321213095 and 312402321213104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312402321213137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31284391 + ... + 40043947.

It is an arithmetic number, because the mean of its divisors is an integer number (39489160509855).

Almost surely, 2^{312402321213133} is an apocalyptic number.

It is an amenable number.

312402321213133 is a deficient number, since it is larger than the sum of its proper divisors (3510962865707).

312402321213133 is an equidigital number, since it uses as much as digits as its factorization.

312402321213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160367.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 312402321213133 its reverse (331312123204213), we get a palindrome (643714444417346).

The spelling of 312402321213133 in words is "three hundred twelve trillion, four hundred two billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-three".