312332440231421 has 8 divisors (see below), whose sum is σ = 312403670684160. Its totient is φ = 312261217147152.

The previous prime is 312332440231363. The next prime is 312332440231439. The reversal of 312332440231421 is 124132044233213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312332440231421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312332440261421) 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 7 ways as a sum of consecutive naturals, for example, 83392016 + ... + 87056838.

It is an arithmetic number, because the mean of its divisors is an integer number (39050458835520).

Almost surely, 2^{312332440231421} is an apocalyptic number.

It is an amenable number.

312332440231421 is a deficient number, since it is larger than the sum of its proper divisors (71230452739).

312332440231421 is a wasteful number, since it uses less digits than its factorization.

312332440231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684235.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 312332440231421 its reverse (124132044233213), we get a palindrome (436464484464634).

The spelling of 312332440231421 in words is "three hundred twelve trillion, three hundred thirty-two billion, four hundred forty million, two hundred thirty-one thousand, four hundred twenty-one".