31222332110001 has 4 divisors (see below), whose sum is σ = 41629776146672. Its totient is φ = 20814888073332.

The previous prime is 31222332109933. The next prime is 31222332110003. The reversal of 31222332110001 is 10001123322213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31222332110001 - 2³⁰ = 31221258368177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31222332110001.

It is not an unprimeable number, because it can be changed into a prime (31222332110003) 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, 5203722018331 + ... + 5203722018336.

It is an arithmetic number, because the mean of its divisors is an integer number (10407444036668).

Almost surely, 2^{31222332110001} is an apocalyptic number.

It is an amenable number.

31222332110001 is a deficient number, since it is larger than the sum of its proper divisors (10407444036671).

31222332110001 is a wasteful number, since it uses less digits than its factorization.

31222332110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407444036670.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31222332110001 its reverse (10001123322213), we get a palindrome (41223455432214).

The spelling of 31222332110001 in words is "thirty-one trillion, two hundred twenty-two billion, three hundred thirty-two million, one hundred ten thousand, one".