312142344 has 16 divisors (see below), whose sum is σ = 780355920. Its totient is φ = 104047440.

The previous prime is 312142331. The next prime is 312142357. The reversal of 312142344 is 443241213.

It is an interprime number because it is at equal distance from previous prime (312142331) and next prime (312142357).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 13005931 = 312142344 / (3 + 1 + 2 + 1 + 4 + 2 + 3 + 4 + 4).

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

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, 6502942 + ... + 6502989.

It is an arithmetic number, because the mean of its divisors is an integer number (48772245).

Almost surely, 2^312142344 is an apocalyptic number.

It is an amenable number.

312142344 is an abundant number, since it is smaller than the sum of its proper divisors (468213576).

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

312142344 is a wasteful number, since it uses less digits than its factorization.

312142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005940 (or 13005936 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 312142344 is about 17667.5505942391. The cubic root of 312142344 is about 678.3454179212.

Adding to 312142344 its reverse (443241213), we get a palindrome (755383557).

The spelling of 312142344 in words is "three hundred twelve million, one hundred forty-two thousand, three hundred forty-four".