31160103 has 16 divisors (see below), whose sum is σ = 44943360. Its totient is φ = 19089504.

The previous prime is 31160071. The next prime is 31160111. The reversal of 31160103 is 30106113.

It is not a de Polignac number, because 31160103 - 2⁵ = 31160071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31160803) 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 15 ways as a sum of consecutive naturals, for example, 7650 + ... + 10992.

It is an arithmetic number, because the mean of its divisors is an integer number (2808960).

Almost surely, 2^31160103 is an apocalyptic number.

31160103 is a deficient number, since it is larger than the sum of its proper divisors (13783257).

31160103 is a wasteful number, since it uses less digits than its factorization.

31160103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 31160103 is about 5582.1235206685. The cubic root of 31160103 is about 314.6779373945.

Adding to 31160103 its reverse (30106113), we get a palindrome (61266216).

The spelling of 31160103 in words is "thirty-one million, one hundred sixty thousand, one hundred three".