33031212130 has 64 divisors (see below), whose sum is σ = 69400800000. Its totient is φ = 11314512384.

The previous prime is 33031212107. The next prime is 33031212173. The reversal of 33031212130 is 3121213033.

It is a junction number, because it is equal to n+sod(n) for n = 33031212098 and 33031212107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4314546 + ... + 4322194.

It is an arithmetic number, because the mean of its divisors is an integer number (1084387500).

Almost surely, 2^33031212130 is an apocalyptic number.

33031212130 is an abundant number, since it is smaller than the sum of its proper divisors (36369587870).

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

33031212130 is a wasteful number, since it uses less digits than its factorization.

33031212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8936 (or 8922 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33031212130 its reverse (3121213033), we get a palindrome (36152425163).

The spelling of 33031212130 in words is "thirty-three billion, thirty-one million, two hundred twelve thousand, one hundred thirty".