30120131133 has 24 divisors (see below), whose sum is σ = 44610193368. Its totient is φ = 19575683712.

The previous prime is 30120131081. The next prime is 30120131141. The reversal of 30120131133 is 33113102103.

It is a happy number.

30120131133 is a `hidden beast` number, since 301 + 20 + 1 + 311 + 33 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2223782649 + 27896348484 = 47157^2 + 167022^2 .

It is not a de Polignac number, because 30120131133 - 2¹⁶ = 30120065597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120131143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126210 + ... + 275987.

It is an arithmetic number, because the mean of its divisors is an integer number (1858758057).

Almost surely, 2^30120131133 is an apocalyptic number.

It is an amenable number.

30120131133 is a deficient number, since it is larger than the sum of its proper divisors (14490062235).

30120131133 is a wasteful number, since it uses less digits than its factorization.

30120131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402413 (or 402410 counting only the distinct ones).

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

Adding to 30120131133 its reverse (33113102103), we get a palindrome (63233233236).

The spelling of 30120131133 in words is "thirty billion, one hundred twenty million, one hundred thirty-one thousand, one hundred thirty-three".