312213324 has 24 divisors (see below), whose sum is σ = 731956288. Its totient is φ = 103577040.

The previous prime is 312213323. The next prime is 312213329. The reversal of 312213324 is 423312213.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 312213324.

It is not an unprimeable number, because it can be changed into a prime (312213323) 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, 59122 + ... + 64185.

Almost surely, 2^312213324 is an apocalyptic number.

It is an amenable number.

312213324 is an abundant number, since it is smaller than the sum of its proper divisors (419742964).

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

312213324 is a wasteful number, since it uses less digits than its factorization.

312213324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123525 (or 123523 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 312213324 is about 17669.5592474742. The cubic root of 312213324 is about 678.3968317601.

Adding to 312213324 its reverse (423312213), we get a palindrome (735525537).

The spelling of 312213324 in words is "three hundred twelve million, two hundred thirteen thousand, three hundred twenty-four".