312322035421 has 8 divisors (see below), whose sum is σ = 340723065600. Its totient is φ = 283922358240.

The previous prime is 312322035419. The next prime is 312322035437. The reversal of 312322035421 is 124530223213.

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 not a de Polignac number, because 312322035421 - 2¹ = 312322035419 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 312322035421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312322035451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178785 + ... + 810313.

It is an arithmetic number, because the mean of its divisors is an integer number (42590383200).

Almost surely, 2^312322035421 is an apocalyptic number.

It is an amenable number.

312322035421 is a deficient number, since it is larger than the sum of its proper divisors (28401030179).

312322035421 is a wasteful number, since it uses less digits than its factorization.

312322035421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676499.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 312322035421 its reverse (124530223213), we get a palindrome (436852258634).

The spelling of 312322035421 in words is "three hundred twelve billion, three hundred twenty-two million, thirty-five thousand, four hundred twenty-one".