312040045420313 has 8 divisors (see below), whose sum is σ = 356617752484032. Its totient is φ = 267462477786096.

The previous prime is 312040045420309. The next prime is 312040045420379. The reversal of 312040045420313 is 313024540040213.

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 312040045420313 - 2² = 312040045420309 is a prime.

It is a super-2 number, since 2×312040045420313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312040045420313.

It is not an unprimeable number, because it can be changed into a prime (312040045420813) 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 7 ways as a sum of consecutive naturals, for example, 30016895 + ... + 39052452.

It is an arithmetic number, because the mean of its divisors is an integer number (44577219060504).

Almost surely, 2^{312040045420313} is an apocalyptic number.

It is an amenable number.

312040045420313 is a deficient number, since it is larger than the sum of its proper divisors (44577707063719).

312040045420313 is an equidigital number, since it uses as much as digits as its factorization.

312040045420313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69714751.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 312040045420313 its reverse (313024540040213), we get a palindrome (625064585460526).

The spelling of 312040045420313 in words is "three hundred twelve trillion, forty billion, forty-five million, four hundred twenty thousand, three hundred thirteen".