312143244103401 has 16 divisors (see below), whose sum is σ = 432226118886144. Its totient is φ = 200222393296464.

The previous prime is 312143244103373. The next prime is 312143244103489. The reversal of 312143244103401 is 104301442341213.

It is a happy number.

It is not a de Polignac number, because 312143244103401 - 2¹⁵ = 312143244070633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312143244103001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18057566511 + ... + 18057583796.

It is an arithmetic number, because the mean of its divisors is an integer number (27014132430384).

Almost surely, 2^{312143244103401} is an apocalyptic number.

It is an amenable number.

312143244103401 is a deficient number, since it is larger than the sum of its proper divisors (120082874782743).

312143244103401 is a wasteful number, since it uses less digits than its factorization.

312143244103401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36115150420.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 312143244103401 its reverse (104301442341213), we get a palindrome (416444686444614).

The spelling of 312143244103401 in words is "three hundred twelve trillion, one hundred forty-three billion, two hundred forty-four million, one hundred three thousand, four hundred one".