3031012000221 has 4 divisors (see below), whose sum is σ = 4041349333632. Its totient is φ = 2020674666812.

The previous prime is 3031012000151. The next prime is 3031012000253. The reversal of 3031012000221 is 1220002101303.

3031012000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3031012000221 - 2⁹ = 3031011999709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3031012000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031012004221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505168666701 + ... + 505168666706.

It is an arithmetic number, because the mean of its divisors is an integer number (1010337333408).

Almost surely, 2^{3031012000221} is an apocalyptic number.

It is an amenable number.

3031012000221 is a deficient number, since it is larger than the sum of its proper divisors (1010337333411).

3031012000221 is a wasteful number, since it uses less digits than its factorization.

3031012000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010337333410.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3031012000221 its reverse (1220002101303), we get a palindrome (4251014101524).

The spelling of 3031012000221 in words is "three trillion, thirty-one billion, twelve million, two hundred twenty-one", and thus it is an aban number.