312443005535 has 32 divisors (see below), whose sum is σ = 386143988352. Its totient is φ = 242518510080.

The previous prime is 312443005517. The next prime is 312443005583. The reversal of 312443005535 is 535500344213.

It is a happy number.

It is not a de Polignac number, because 312443005535 - 2²⁶ = 312375896671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312443005495 and 312443005504.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 135197030 + ... + 135199340.

It is an arithmetic number, because the mean of its divisors is an integer number (12066999636).

Almost surely, 2^312443005535 is an apocalyptic number.

312443005535 is a deficient number, since it is larger than the sum of its proper divisors (73700982817).

312443005535 is a wasteful number, since it uses less digits than its factorization.

312443005535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 312443005535 its reverse (535500344213), we get a palindrome (847943349748).

The spelling of 312443005535 in words is "three hundred twelve billion, four hundred forty-three million, five thousand, five hundred thirty-five".