312143243021401 has 32 divisors (see below), whose sum is σ = 363189044471040. Its totient is φ = 265120016332800.

The previous prime is 312143243021387. The next prime is 312143243021437. The reversal of 312143243021401 is 104120342341213.

It is a happy number.

It is not a de Polignac number, because 312143243021401 - 2⁵ = 312143243021369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312143243021501) 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 31 ways as a sum of consecutive naturals, for example, 2179106140 + ... + 2179249378.

It is an arithmetic number, because the mean of its divisors is an integer number (11349657639720).

Almost surely, 2^{312143243021401} is an apocalyptic number.

It is an amenable number.

312143243021401 is a deficient number, since it is larger than the sum of its proper divisors (51045801449639).

312143243021401 is a wasteful number, since it uses less digits than its factorization.

312143243021401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228465.

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

Adding to 312143243021401 its reverse (104120342341213), we get a palindrome (416263585362614).

The spelling of 312143243021401 in words is "three hundred twelve trillion, one hundred forty-three billion, two hundred forty-three million, twenty-one thousand, four hundred one".