312430313444 has 48 divisors (see below), whose sum is σ = 581460659136. Its totient is φ = 146380953600.

The previous prime is 312430313441. The next prime is 312430313491. The reversal of 312430313444 is 444313034213.

It is a super-2 number, since 2×312430313444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312430313444.

It is not an unprimeable number, because it can be changed into a prime (312430313441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14446199 + ... + 14467809.

It is an arithmetic number, because the mean of its divisors is an integer number (12113763732).

Almost surely, 2^312430313444 is an apocalyptic number.

312430313444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

312430313444 is a deficient number, since it is larger than the sum of its proper divisors (269030345692).

312430313444 is a wasteful number, since it uses less digits than its factorization.

312430313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556 (or 22554 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 312430313444 its reverse (444313034213), we get a palindrome (756743347657).

The spelling of 312430313444 in words is "three hundred twelve billion, four hundred thirty million, three hundred thirteen thousand, four hundred forty-four".