30113133331 has 4 divisors (see below), whose sum is σ = 30681305712. Its totient is φ = 29544960952.

The previous prime is 30113133299. The next prime is 30113133343. The reversal of 30113133331 is 13333131103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30113133331 - 2⁵ = 30113133299 is a prime.

It is a super-2 number, since 2×30113133331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30110133331) 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 3 ways as a sum of consecutive naturals, for example, 284086111 + ... + 284086216.

It is an arithmetic number, because the mean of its divisors is an integer number (7670326428).

Almost surely, 2^30113133331 is an apocalyptic number.

30113133331 is a deficient number, since it is larger than the sum of its proper divisors (568172381).

30113133331 is an equidigital number, since it uses as much as digits as its factorization.

30113133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568172380.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 30113133331 its reverse (13333131103), we get a palindrome (43446264434).

The spelling of 30113133331 in words is "thirty billion, one hundred thirteen million, one hundred thirty-three thousand, three hundred thirty-one".