312142244 has 12 divisors (see below), whose sum is σ = 546390768. Its totient is φ = 156030600.

The previous prime is 312142211. The next prime is 312142277. The reversal of 312142244 is 442241213.

It is an interprime number because it is at equal distance from previous prime (312142211) and next prime (312142277).

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, 13139 + ... + 28229.

It is an arithmetic number, because the mean of its divisors is an integer number (45532564).

Almost surely, 2^312142244 is an apocalyptic number.

It is an amenable number.

312142244 is a deficient number, since it is larger than the sum of its proper divisors (234248524).

312142244 is a wasteful number, since it uses less digits than its factorization.

312142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20266 (or 20264 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 312142244 is about 17667.5477641918. The cubic root of 312142244 is about 678.3453454814.

Adding to 312142244 its reverse (442241213), we get a palindrome (754383457).

The spelling of 312142244 in words is "three hundred twelve million, one hundred forty-two thousand, two hundred forty-four".