30031121133 has 96 divisors (see below), whose sum is σ = 49410536448. Its totient is φ = 17449344000.

The previous prime is 30031121089. The next prime is 30031121173. The reversal of 30031121133 is 33112113003.

It is a happy number.

30031121133 is a `hidden beast` number, since 300 + 311 + 21 + 1 + 33 = 666.

It is not a de Polignac number, because 30031121133 - 2⁹ = 30031120621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031121173) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26741310 + ... + 26742432.

It is an arithmetic number, because the mean of its divisors is an integer number (514693088).

Almost surely, 2^30031121133 is an apocalyptic number.

It is an amenable number.

30031121133 is a deficient number, since it is larger than the sum of its proper divisors (19379415315).

30031121133 is a wasteful number, since it uses less digits than its factorization.

30031121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30031121133 its reverse (33112113003), we get a palindrome (63143234136).

The spelling of 30031121133 in words is "thirty billion, thirty-one million, one hundred twenty-one thousand, one hundred thirty-three".