312344431322 has 32 divisors (see below), whose sum is σ = 589908092544. Its totient is φ = 120487752000.

The previous prime is 312344431309. The next prime is 312344431337. The reversal of 312344431322 is 223134443213.

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, 10025093 + ... + 10056200.

It is an arithmetic number, because the mean of its divisors is an integer number (18434627892).

Almost surely, 2^312344431322 is an apocalyptic number.

312344431322 is a deficient number, since it is larger than the sum of its proper divisors (277563661222).

312344431322 is a wasteful number, since it uses less digits than its factorization.

312344431322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20081414.

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

Adding to 312344431322 its reverse (223134443213), we get a palindrome (535478874535).

The spelling of 312344431322 in words is "three hundred twelve billion, three hundred forty-four million, four hundred thirty-one thousand, three hundred twenty-two".