31112210012001 has 8 divisors (see below), whose sum is σ = 41491812473280. Its totient is φ = 20737040446032.

The previous prime is 31112210011991. The next prime is 31112210012033. The reversal of 31112210012001 is 10021001221113.

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

It is not a de Polignac number, because 31112210012001 - 2⁵ = 31112210011969 is a prime.

It is a super-2 number, since 2×31112210012001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31112210012201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108207450 + ... + 1108235523.

It is an arithmetic number, because the mean of its divisors is an integer number (5186476559160).

Almost surely, 2^{31112210012001} is an apocalyptic number.

It is an amenable number.

31112210012001 is a deficient number, since it is larger than the sum of its proper divisors (10379602461279).

31112210012001 is a wasteful number, since it uses less digits than its factorization.

31112210012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216447655.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 31112210012001 its reverse (10021001221113), we get a palindrome (41133211233114).

The spelling of 31112210012001 in words is "thirty-one trillion, one hundred twelve billion, two hundred ten million, twelve thousand, one".