2013231032221 has 8 divisors (see below), whose sum is σ = 2041822202688. Its totient is φ = 1984646412000.

The previous prime is 2013231032191. The next prime is 2013231032279. The reversal of 2013231032221 is 1222301323102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013231032221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013231032192 and 2013231032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013231092221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016835 + ... + 2249536.

It is an arithmetic number, because the mean of its divisors is an integer number (255227775336).

Almost surely, 2^{2013231032221} is an apocalyptic number.

It is an amenable number.

2013231032221 is a deficient number, since it is larger than the sum of its proper divisors (28591170467).

2013231032221 is an equidigital number, since it uses as much as digits as its factorization.

2013231032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275123.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2013231032221 its reverse (1222301323102), we get a palindrome (3235532355323).

The spelling of 2013231032221 in words is "two trillion, thirteen billion, two hundred thirty-one million, thirty-two thousand, two hundred twenty-one".