31201112113 has 8 divisors (see below), whose sum is σ = 31415184000. Its totient is φ = 30987102768.

The previous prime is 31201112087. The next prime is 31201112119. The reversal of 31201112113 is 31121110213.

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 31201112113 - 2¹⁷ = 31200981041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31201112119) by changing a digit.

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, 1455370 + ... + 1476652.

It is an arithmetic number, because the mean of its divisors is an integer number (3926898000).

Almost surely, 2^31201112113 is an apocalyptic number.

It is an amenable number.

31201112113 is a deficient number, since it is larger than the sum of its proper divisors (214071887).

31201112113 is a wasteful number, since it uses less digits than its factorization.

31201112113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31271.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 31201112113 its reverse (31121110213), we get a palindrome (62322222326).

The spelling of 31201112113 in words is "thirty-one billion, two hundred one million, one hundred twelve thousand, one hundred thirteen".