312542633 has 8 divisors (see below), whose sum is σ = 340055688. Its totient is φ = 285525504.

The previous prime is 312542627. The next prime is 312542687. The reversal of 312542633 is 336245213.

It can be written as a sum of positive squares in 4 ways, for example, as 243049 + 312299584 = 493^2 + 17672^2 .

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 312542633 - 2¹⁰ = 312541609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312542596 and 312542605.

It is not an unprimeable number, because it can be changed into a prime (312542623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122666 + ... + 125187.

It is an arithmetic number, because the mean of its divisors is an integer number (42506961).

Almost surely, 2^312542633 is an apocalyptic number.

It is an amenable number.

312542633 is a deficient number, since it is larger than the sum of its proper divisors (27513055).

312542633 is a wasteful number, since it uses less digits than its factorization.

312542633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247963.

The product of its digits is 12960, while the sum is 29.

The square root of 312542633 is about 17678.8753318756. The cubic root of 312542633 is about 678.6352624165.

Adding to 312542633 its reverse (336245213), we get a palindrome (648787846).

The spelling of 312542633 in words is "three hundred twelve million, five hundred forty-two thousand, six hundred thirty-three".