312445434422 has 32 divisors (see below), whose sum is σ = 519727449600. Its totient is φ = 139673210400.

The previous prime is 312445434397. The next prime is 312445434439. The reversal of 312445434422 is 224434544213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14911229 + ... + 14932167.

It is an arithmetic number, because the mean of its divisors is an integer number (16241482800).

Almost surely, 2^312445434422 is an apocalyptic number.

312445434422 is a deficient number, since it is larger than the sum of its proper divisors (207282015178).

312445434422 is a wasteful number, since it uses less digits than its factorization.

312445434422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32132.

The product of its digits is 368640, while the sum is 38.

Adding to 312445434422 its reverse (224434544213), we get a palindrome (536879978635).

The spelling of 312445434422 in words is "three hundred twelve billion, four hundred forty-five million, four hundred thirty-four thousand, four hundred twenty-two".