30212131032 has 80 divisors (see below), whose sum is σ = 87351739200. Its totient is φ = 9745842240.

The previous prime is 30212131013. The next prime is 30212131039. The reversal of 30212131032 is 23013121203.

30212131032 is a `hidden beast` number, since 302 + 1 + 21 + 310 + 32 = 666.

It is a super-2 number, since 2×30212131032² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 30212130996 and 30212131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212131039) 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 19 ways as a sum of consecutive naturals, for example, 731907 + ... + 772082.

It is an arithmetic number, because the mean of its divisors is an integer number (1091896740).

Almost surely, 2^30212131032 is an apocalyptic number.

It is an amenable number.

30212131032 is an abundant number, since it is smaller than the sum of its proper divisors (57139608168).

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

30212131032 is a wasteful number, since it uses less digits than its factorization.

30212131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504038 (or 1504025 counting only the distinct ones).

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

Adding to 30212131032 its reverse (23013121203), we get a palindrome (53225252235).

The spelling of 30212131032 in words is "thirty billion, two hundred twelve million, one hundred thirty-one thousand, thirty-two".