2031133230 has 192 divisors, whose sum is σ = 6165963648. Its totient is φ = 454348800.

The previous prime is 2031133219. The next prime is 2031133249. The reversal of 2031133230 is 323311302.

2031133230 is a `hidden beast` number, since 20 + 311 + 332 + 3 + 0 = 666.

It is a super-3 number, since 3×2031133230³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8717194 + ... + 8717426.

It is an arithmetic number, because the mean of its divisors is an integer number (32114394).

Almost surely, 2^2031133230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031133230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082981824).

2031133230 is an abundant number, since it is smaller than the sum of its proper divisors (4134830418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031133230 is a wasteful number, since it uses less digits than its factorization.

2031133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2031133230 is about 45068.0954778433. The cubic root of 2031133230 is about 1266.4249862848.

Adding to 2031133230 its reverse (323311302), we get a palindrome (2354444532).

The spelling of 2031133230 in words is "two billion, thirty-one million, one hundred thirty-three thousand, two hundred thirty".