312243340413 has 32 divisors (see below), whose sum is σ = 431827200000. Its totient is φ = 200588948352.

The previous prime is 312243340411. The next prime is 312243340421. The reversal of 312243340413 is 314043342213.

It is a happy number.

It is not a de Polignac number, because 312243340413 - 2¹ = 312243340411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312243340411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1863313 + ... + 2023961.

It is an arithmetic number, because the mean of its divisors is an integer number (13494600000).

Almost surely, 2^312243340413 is an apocalyptic number.

It is an amenable number.

312243340413 is a deficient number, since it is larger than the sum of its proper divisors (119583859587).

312243340413 is a wasteful number, since it uses less digits than its factorization.

312243340413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160929.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 312243340413 its reverse (314043342213), we get a palindrome (626286682626).

The spelling of 312243340413 in words is "three hundred twelve billion, two hundred forty-three million, three hundred forty thousand, four hundred thirteen".