312321132433 has 8 divisors (see below), whose sum is σ = 329260111488. Its totient is φ = 295662136704.

The previous prime is 312321132427. The next prime is 312321132463. The reversal of 312321132433 is 334231123213.

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-312321132433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312321132463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69993541 + ... + 69998002.

It is an arithmetic number, because the mean of its divisors is an integer number (41157513936).

Almost surely, 2^312321132433 is an apocalyptic number.

It is an amenable number.

312321132433 is a deficient number, since it is larger than the sum of its proper divisors (16938979055).

312321132433 is a wasteful number, since it uses less digits than its factorization.

312321132433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139991663.

The product of its digits is 7776, while the sum is 28.

Adding to 312321132433 its reverse (334231123213), we get a palindrome (646552255646).

The spelling of 312321132433 in words is "three hundred twelve billion, three hundred twenty-one million, one hundred thirty-two thousand, four hundred thirty-three".