221213031013 has 8 divisors (see below), whose sum is σ = 242267205600. Its totient is φ = 200735683248.

The previous prime is 221213031001. The next prime is 221213031019. The reversal of 221213031013 is 310130312122.

221213031013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221213031013 - 2⁵ = 221213030981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221213031019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144205903 + ... + 144207436.

It is an arithmetic number, because the mean of its divisors is an integer number (30283400700).

Almost surely, 2^221213031013 is an apocalyptic number.

It is an amenable number.

221213031013 is a deficient number, since it is larger than the sum of its proper divisors (21054174587).

221213031013 is a wasteful number, since it uses less digits than its factorization.

221213031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288413411.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221213031013 its reverse (310130312122), we get a palindrome (531343343135).

The spelling of 221213031013 in words is "two hundred twenty-one billion, two hundred thirteen million, thirty-one thousand, thirteen".