312402311140313 has 12 divisors (see below), whose sum is σ = 328745183440740. Its totient is φ = 296517447766176.

The previous prime is 312402311140247. The next prime is 312402311140357. The reversal of 312402311140313 is 313041113204213.

It can be written as a sum of positive squares in 2 ways, for example, as 87977702807449 + 224424608332864 = 9379643^2 + 14980808^2 .

It is not a de Polignac number, because 312402311140313 - 2¹² = 312402311136217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312402311140393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1547226470 + ... + 1547428367.

It is an arithmetic number, because the mean of its divisors is an integer number (27395431953395).

Almost surely, 2^{312402311140313} is an apocalyptic number.

It is an amenable number.

312402311140313 is a deficient number, since it is larger than the sum of its proper divisors (16342872300427).

312402311140313 is an equidigital number, since it uses as much as digits as its factorization.

312402311140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094654984 (or 3094654925 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 312402311140313 its reverse (313041113204213), we get a palindrome (625443424344526).

The spelling of 312402311140313 in words is "three hundred twelve trillion, four hundred two billion, three hundred eleven million, one hundred forty thousand, three hundred thirteen".