312141224 has 8 divisors (see below), whose sum is σ = 585264810. Its totient is φ = 156070608.

The previous prime is 312141223. The next prime is 312141227. The reversal of 312141224 is 422141213.

It can be written as a sum of positive squares in only one way, i.e., 253128100 + 59013124 = 15910^2 + 7682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 312141196 and 312141205.

It is not an unprimeable number, because it can be changed into a prime (312141223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19508819 + ... + 19508834.

Almost surely, 2^312141224 is an apocalyptic number.

It is an amenable number.

312141224 is a deficient number, since it is larger than the sum of its proper divisors (273123586).

312141224 is a wasteful number, since it uses less digits than its factorization.

312141224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39017659 (or 39017655 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 312141224 is about 17667.5188976834. The cubic root of 312141224 is about 678.3446065950.

Adding to 312141224 its reverse (422141213), we get a palindrome (734282437).

The spelling of 312141224 in words is "three hundred twelve million, one hundred forty-one thousand, two hundred twenty-four".