312233312 has 12 divisors (see below), whose sum is σ = 614709396. Its totient is φ = 156116640.

The previous prime is 312233309. The next prime is 312233371. The reversal of 312233312 is 213332213.

It is a super-2 number, since 2×312233312² = 194979282244978688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4878614 + ... + 4878677.

It is an arithmetic number, because the mean of its divisors is an integer number (51225783).

Almost surely, 2^312233312 is an apocalyptic number.

312233312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312233312 is a deficient number, since it is larger than the sum of its proper divisors (302476084).

312233312 is an equidigital number, since it uses as much as digits as its factorization.

312233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757301 (or 9757293 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 312233312 is about 17670.1248439280. The cubic root of 312233312 is about 678.4113085142.

Adding to 312233312 its reverse (213332213), we get a palindrome (525565525).

The spelling of 312233312 in words is "three hundred twelve million, two hundred thirty-three thousand, three hundred twelve".