312041233320421 has 4 divisors (see below), whose sum is σ = 340408618167744. Its totient is φ = 283673848473100.

The previous prime is 312041233320361. The next prime is 312041233320473. The reversal of 312041233320421 is 124023332140213.

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 312041233320421 - 2¹⁵ = 312041233287653 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 (312041233320121) 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, 14183692423645 + ... + 14183692423666.

It is an arithmetic number, because the mean of its divisors is an integer number (85102154541936).

Almost surely, 2^{312041233320421} is an apocalyptic number.

It is an amenable number.

312041233320421 is a deficient number, since it is larger than the sum of its proper divisors (28367384847323).

312041233320421 is a wasteful number, since it uses less digits than its factorization.

312041233320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367384847322.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312041233320421 its reverse (124023332140213), we get a palindrome (436064565460634).

The spelling of 312041233320421 in words is "three hundred twelve trillion, forty-one billion, two hundred thirty-three million, three hundred twenty thousand, four hundred twenty-one".