31112107 has 8 divisors (see below), whose sum is σ = 33762960. Its totient is φ = 28498080.

The previous prime is 31112093. The next prime is 31112119. The reversal of 31112107 is 70121113.

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

It is not a de Polignac number, because 31112107 - 2¹⁵ = 31079339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112707) 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, 7432 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (4220370).

Almost surely, 2^31112107 is an apocalyptic number.

31112107 is a deficient number, since it is larger than the sum of its proper divisors (2650853).

31112107 is a wasteful number, since it uses less digits than its factorization.

31112107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18413.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 31112107 is about 5577.8227831296. The cubic root of 31112107 is about 314.5162879132.

The spelling of 31112107 in words is "thirty-one million, one hundred twelve thousand, one hundred seven".