22431031345 has 8 divisors (see below), whose sum is σ = 26918619264. Its totient is φ = 17943903984.

The previous prime is 22431031187. The next prime is 22431031421. The reversal of 22431031345 is 54313013422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22431031345 - 2¹⁷ = 22430900273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3042 + ... + 211828.

It is an arithmetic number, because the mean of its divisors is an integer number (3364827408).

Almost surely, 2^22431031345 is an apocalyptic number.

It is an amenable number.

22431031345 is a deficient number, since it is larger than the sum of its proper divisors (4487587919).

22431031345 is a wasteful number, since it uses less digits than its factorization.

22431031345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230279.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 22431031345 its reverse (54313013422), we get a palindrome (76744044767).

The spelling of 22431031345 in words is "twenty-two billion, four hundred thirty-one million, thirty-one thousand, three hundred forty-five".