312542536 has 16 divisors (see below), whose sum is σ = 592060140. Its totient is φ = 154659840.

The previous prime is 312542521. The next prime is 312542539. The reversal of 312542536 is 635245213.

It is a happy number.

312542536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 306040036 + 6502500 = 17494^2 + 2550^2 .

It is a super-2 number, since 2×312542536² = 195365673618622592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312542498 and 312542507.

It is not an unprimeable number, because it can be changed into a prime (312542539) 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, 200605 + ... + 202156.

Almost surely, 2^312542536 is an apocalyptic number.

It is an amenable number.

312542536 is a deficient number, since it is larger than the sum of its proper divisors (279517604).

312542536 is a wasteful number, since it uses less digits than its factorization.

312542536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402864 (or 402860 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 312542536 is about 17678.8725884882. The cubic root of 312542536 is about 678.6351922099.

Adding to 312542536 its reverse (635245213), we get a palindrome (947787749).

The spelling of 312542536 in words is "three hundred twelve million, five hundred forty-two thousand, five hundred thirty-six".