30331112133 has 16 divisors (see below), whose sum is σ = 46389395456. Its totient is φ = 17268104880.

The previous prime is 30331112131. The next prime is 30331112153. The reversal of 30331112133 is 33121113303.

It is not a de Polignac number, because 30331112133 - 2¹ = 30331112131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331112131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2659141 + ... + 2670522.

It is an arithmetic number, because the mean of its divisors is an integer number (2899337216).

Almost surely, 2^30331112133 is an apocalyptic number.

It is an amenable number.

30331112133 is a deficient number, since it is larger than the sum of its proper divisors (16058283323).

30331112133 is a wasteful number, since it uses less digits than its factorization.

30331112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329944.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30331112133 its reverse (33121113303), we get a palindrome (63452225436).

The spelling of 30331112133 in words is "thirty billion, three hundred thirty-one million, one hundred twelve thousand, one hundred thirty-three".