312442112 has 36 divisors (see below), whose sum is σ = 624807876. Its totient is φ = 155934720.

The previous prime is 312442093. The next prime is 312442153. The reversal of 312442112 is 211244213.

It can be written as a sum of positive squares in 2 ways, for example, as 273703936 + 38738176 = 16544^2 + 6224^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240248 + ... + 241544.

Almost surely, 2^312442112 is an apocalyptic number.

312442112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312442112 is a deficient number, since it is larger than the sum of its proper divisors (312365764).

312442112 is an equidigital number, since it uses as much as digits as its factorization.

312442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2240 counting only the distinct ones).

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

The square root of 312442112 is about 17676.0321339378. The cubic root of 312442112 is about 678.5624996393.

Adding to 312442112 its reverse (211244213), we get a palindrome (523686325).

It can be divided in two parts, 31244211 and 2, that added together give a palindrome (31244213).

The spelling of 312442112 in words is "three hundred twelve million, four hundred forty-two thousand, one hundred twelve".