312113021333 has 8 divisors (see below), whose sum is σ = 323081633280. Its totient is φ = 301158149040.

The previous prime is 312113021309. The next prime is 312113021357. The reversal of 312113021333 is 333120311213.

It is an interprime number because it is at equal distance from previous prime (312113021309) and next prime (312113021357).

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

It is not a de Polignac number, because 312113021333 - 2²⁶ = 312045912469 is a prime.

It is a super-2 number, since 2×312113021333² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312113021299 and 312113021308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113521333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388673 + ... + 3479558.

It is an arithmetic number, because the mean of its divisors is an integer number (40385204160).

Almost surely, 2^312113021333 is an apocalyptic number.

It is an amenable number.

312113021333 is a deficient number, since it is larger than the sum of its proper divisors (10968611947).

312113021333 is a wasteful number, since it uses less digits than its factorization.

312113021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869827.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 312113021333 its reverse (333120311213), we get a palindrome (645233332546).

The spelling of 312113021333 in words is "three hundred twelve billion, one hundred thirteen million, twenty-one thousand, three hundred thirty-three".