30131011 has 8 divisors (see below), whose sum is σ = 30783248. Its totient is φ = 29484000.

The previous prime is 30130999. The next prime is 30131033. The reversal of 30131011 is 11013103.

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

It is a 5-Lehmer number, since φ(30131011) divides (30131011-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 30131011 - 2¹³ = 30122819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30131041) 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 7 ways as a sum of consecutive naturals, for example, 11701 + ... + 14041.

It is an arithmetic number, because the mean of its divisors is an integer number (3847906).

Almost surely, 2^30131011 is an apocalyptic number.

30131011 is a deficient number, since it is larger than the sum of its proper divisors (652237).

30131011 is a wasteful number, since it uses less digits than its factorization.

30131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 30131011 is about 5489.1721598070. The cubic root of 30131011 is about 311.1749066972.

Adding to 30131011 its reverse (11013103), we get a palindrome (41144114).

The spelling of 30131011 in words is "thirty million, one hundred thirty-one thousand, eleven".