31085114 has 4 divisors (see below), whose sum is σ = 46627674. Its totient is φ = 15542556.

The previous prime is 31085111. The next prime is 31085123. The reversal of 31085114 is 41158013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41158013 = 13 ⋅3166001.

It can be written as a sum of positive squares in only one way, i.e., 31080625 + 4489 = 5575^2 + 67^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31085114.

It is not an unprimeable number, because it can be changed into a prime (31085111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7771277 + ... + 7771280.

Almost surely, 2^31085114 is an apocalyptic number.

31085114 is a deficient number, since it is larger than the sum of its proper divisors (15542560).

31085114 is a wasteful number, since it uses less digits than its factorization.

31085114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542559.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 31085114 is about 5575.4025863609. The cubic root of 31085114 is about 314.4253030265.

The spelling of 31085114 in words is "thirty-one million, eighty-five thousand, one hundred fourteen".