312343311223441 has 4 divisors (see below), whose sum is σ = 328782432866800. Its totient is φ = 295904189580084.

The previous prime is 312343311223381. The next prime is 312343311223511. The reversal of 312343311223441 is 144322113343213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312343311223441 - 2²⁵ = 312343277669009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312343311223441.

It is not an unprimeable number, because it can be changed into a prime (312343311323441) 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, 8219560821651 + ... + 8219560821688.

It is an arithmetic number, because the mean of its divisors is an integer number (82195608216700).

Almost surely, 2^{312343311223441} is an apocalyptic number.

It is an amenable number.

312343311223441 is a deficient number, since it is larger than the sum of its proper divisors (16439121643359).

312343311223441 is a wasteful number, since it uses less digits than its factorization.

312343311223441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16439121643358.

The product of its digits is 124416, while the sum is 37.

Adding to 312343311223441 its reverse (144322113343213), we get a palindrome (456665424566654).

The spelling of 312343311223441 in words is "three hundred twelve trillion, three hundred forty-three billion, three hundred eleven million, two hundred twenty-three thousand, four hundred forty-one".