3031212132 has 288 divisors, whose sum is σ = 9215361792. Its totient is φ = 862949376.

The previous prime is 3031212131. The next prime is 3031212137. The reversal of 3031212132 is 2312121303.

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

It is not an unprimeable number, because it can be changed into a prime (3031212131) by changing a digit.

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, 22125568 + ... + 22125704.

It is an arithmetic number, because the mean of its divisors is an integer number (31997784).

Almost surely, 2^3031212132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3031212132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4607680896).

3031212132 is an abundant number, since it is smaller than the sum of its proper divisors (6184149660).

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

3031212132 is a wasteful number, since it uses less digits than its factorization.

3031212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3031212132 is about 55056.4449633283. Note that the first 3 decimals coincide. The cubic root of 3031212132 is about 1447.2340664241.

Adding to 3031212132 its reverse (2312121303), we get a palindrome (5343333435).

The spelling of 3031212132 in words is "three billion, thirty-one million, two hundred twelve thousand, one hundred thirty-two".