312255312 has 80 divisors (see below), whose sum is σ = 838184448. Its totient is φ = 100062720.

The previous prime is 312255311. The next prime is 312255331. The reversal of 312255312 is 213552213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312255311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256818 + ... + 258030.

Almost surely, 2^312255312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312255312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419092224).

312255312 is an abundant number, since it is smaller than the sum of its proper divisors (525929136).

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

312255312 is a wasteful number, since it uses less digits than its factorization.

312255312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1422 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 312255312 is about 17670.7473526164. The cubic root of 312255312 is about 678.4272417898.

The spelling of 312255312 in words is "three hundred twelve million, two hundred fifty-five thousand, three hundred twelve".