30311211133 has 16 divisors (see below), whose sum is σ = 35842020480. Its totient is φ = 25080866496.

The previous prime is 30311211127. The next prime is 30311211169. The reversal of 30311211133 is 33111211303.

It is not a de Polignac number, because 30311211133 - 2⁹ = 30311210621 is a prime.

It is a super-3 number, since 3×30311211133³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30311211133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311221133) 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, 1856835 + ... + 1873087.

It is an arithmetic number, because the mean of its divisors is an integer number (2240126280).

Almost surely, 2^30311211133 is an apocalyptic number.

It is an amenable number.

30311211133 is a deficient number, since it is larger than the sum of its proper divisors (5530809347).

30311211133 is a wasteful number, since it uses less digits than its factorization.

30311211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25476.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 30311211133 its reverse (33111211303), we get a palindrome (63422422436).

The spelling of 30311211133 in words is "thirty billion, three hundred eleven million, two hundred eleven thousand, one hundred thirty-three".