312132103323401 has 4 divisors (see below), whose sum is σ = 322895279300100. Its totient is φ = 301368927346704.

The previous prime is 312132103323367. The next prime is 312132103323409. The reversal of 312132103323401 is 104323301231213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85842059479801 + 226290043843600 = 9265099^2 + 15042940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312132103323401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 10763175976669 = 312132103323401 / (3 + 1 + 2 + 1 + 3 + 2 + 1 + 0 + 3 + 3 + 2 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312132103323409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5381587988306 + ... + 5381587988363.

It is an arithmetic number, because the mean of its divisors is an integer number (80723819825025).

Almost surely, 2^{312132103323401} is an apocalyptic number.

It is an amenable number.

312132103323401 is a deficient number, since it is larger than the sum of its proper divisors (10763175976699).

312132103323401 is a wasteful number, since it uses less digits than its factorization.

312132103323401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763175976698.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 312132103323401 its reverse (104323301231213), we get a palindrome (416455404554614).

The spelling of 312132103323401 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred three million, three hundred twenty-three thousand, four hundred one".