20130303231321 has 16 divisors (see below), whose sum is σ = 26918208624384. Its totient is φ = 13381301303504.

The previous prime is 20130303231277. The next prime is 20130303231331. The reversal of 20130303231321 is 12313230303102.

It is a cyclic number.

It is not a de Polignac number, because 20130303231321 - 2¹⁷ = 20130303100249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130303231291 and 20130303231300.

It is not an unprimeable number, because it can be changed into a prime (20130303231331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80810266 + ... + 81058988.

It is an arithmetic number, because the mean of its divisors is an integer number (1682388039024).

Almost surely, 2^{20130303231321} is an apocalyptic number.

It is an amenable number.

20130303231321 is a deficient number, since it is larger than the sum of its proper divisors (6787905393063).

20130303231321 is a wasteful number, since it uses less digits than its factorization.

20130303231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326820.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20130303231321 its reverse (12313230303102), we get a palindrome (32443533534423).

The spelling of 20130303231321 in words is "twenty trillion, one hundred thirty billion, three hundred three million, two hundred thirty-one thousand, three hundred twenty-one".