312036520 has 32 divisors (see below), whose sum is σ = 726294600. Its totient is φ = 120510208.

The previous prime is 312036511. The next prime is 312036521. The reversal of 312036520 is 25630213.

312036520 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 4 ways, for example, as 254913156 + 57123364 = 15966^2 + 7558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312036491 and 312036500.

It is not an unprimeable number, because it can be changed into a prime (312036521) 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, 133339 + ... + 135658.

Almost surely, 2^312036520 is an apocalyptic number.

It is an amenable number.

312036520 is an abundant number, since it is smaller than the sum of its proper divisors (414258080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312036520 is a wasteful number, since it uses less digits than its factorization.

312036520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269037 (or 269033 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 312036520 is about 17664.5554713386. Note that the first 3 decimals coincide. The cubic root of 312036520 is about 678.2687506135.

Adding to 312036520 its reverse (25630213), we get a palindrome (337666733).

The spelling of 312036520 in words is "three hundred twelve million, thirty-six thousand, five hundred twenty".