22312000231 has 4 divisors (see below), whose sum is σ = 22448883832. Its totient is φ = 22175116632.

The previous prime is 22312000229. The next prime is 22312000253. The reversal of 22312000231 is 13200021322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22312000231 - 2¹ = 22312000229 is a prime.

It is a super-3 number, since 3×22312000231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312000201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68441556 + ... + 68441881.

It is an arithmetic number, because the mean of its divisors is an integer number (5612220958).

Almost surely, 2^22312000231 is an apocalyptic number.

22312000231 is a deficient number, since it is larger than the sum of its proper divisors (136883601).

22312000231 is a wasteful number, since it uses less digits than its factorization.

22312000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136883600.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22312000231 its reverse (13200021322), we get a palindrome (35512021553).

The spelling of 22312000231 in words is "twenty-two billion, three hundred twelve million, two hundred thirty-one", and thus it is an aban number.