312343234133421 has 64 divisors (see below), whose sum is σ = 462660546124800. Its totient is φ = 186564847656960.

The previous prime is 312343234133299. The next prime is 312343234133423. The reversal of 312343234133421 is 124331432343213.

It is not a de Polignac number, because 312343234133421 - 2²⁶ = 312343167024557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312343234133421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343234133423) 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 63 ways as a sum of consecutive naturals, for example, 269835231 + ... + 270990291.

It is an arithmetic number, because the mean of its divisors is an integer number (7229071033200).

Almost surely, 2^{312343234133421} is an apocalyptic number.

It is an amenable number.

312343234133421 is a deficient number, since it is larger than the sum of its proper divisors (150317311991379).

312343234133421 is a wasteful number, since it uses less digits than its factorization.

312343234133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158214.

The product of its digits is 373248, while the sum is 39.

Adding to 312343234133421 its reverse (124331432343213), we get a palindrome (436674666476634).

The spelling of 312343234133421 in words is "three hundred twelve trillion, three hundred forty-three billion, two hundred thirty-four million, one hundred thirty-three thousand, four hundred twenty-one".