312344103221401 has 16 divisors (see below), whose sum is σ = 318994926764800. Its totient is φ = 305775791684928.

The previous prime is 312344103221387. The next prime is 312344103221407. The reversal of 312344103221401 is 104122301443213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312344103221401 - 2¹⁷ = 312344103090329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312344103221407) 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 15 ways as a sum of consecutive naturals, for example, 26757906 + ... + 36615211.

It is an arithmetic number, because the mean of its divisors is an integer number (19937182922800).

Almost surely, 2^{312344103221401} is an apocalyptic number.

It is an amenable number.

312344103221401 is a deficient number, since it is larger than the sum of its proper divisors (6650823543399).

312344103221401 is a wasteful number, since it uses less digits than its factorization.

312344103221401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63373768.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 312344103221401 its reverse (104122301443213), we get a palindrome (416466404664614).

The spelling of 312344103221401 in words is "three hundred twelve trillion, three hundred forty-four billion, one hundred three million, two hundred twenty-one thousand, four hundred one".