31106113 has 8 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 30041040.

The previous prime is 31106099. The next prime is 31106129. The reversal of 31106113 is 31160113.

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 31106113 - 2¹³ = 31097921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31106513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24078 + ... + 25336.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2^31106113 is an apocalyptic number.

It is an amenable number.

31106113 is a deficient number, since it is larger than the sum of its proper divisors (1069247).

31106113 is a wasteful number, since it uses less digits than its factorization.

31106113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 31106113 is about 5577.2854508264. The cubic root of 31106113 is about 314.4960885772.

Adding to 31106113 its reverse (31160113), we get a palindrome (62266226).

The spelling of 31106113 in words is "thirty-one million, one hundred six thousand, one hundred thirteen".