30131106 has 32 divisors (see below), whose sum is σ = 64774080. Its totient is φ = 9309696.

The previous prime is 30131071. The next prime is 30131107. The reversal of 30131106 is 60113103.

It is not an unprimeable number, because it can be changed into a prime (30131107) 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 in 15 ways as a sum of consecutive naturals, for example, 4630 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (2024190).

Almost surely, 2^30131106 is an apocalyptic number.

30131106 is an abundant number, since it is smaller than the sum of its proper divisors (34642974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131106 is a wasteful number, since it uses less digits than its factorization.

30131106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498.

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

The square root of 30131106 is about 5489.1808131997. The cubic root of 30131106 is about 311.1752337311.

Adding to 30131106 its reverse (60113103), we get a palindrome (90244209).

The spelling of 30131106 in words is "thirty million, one hundred thirty-one thousand, one hundred six".