13220102331 has 48 divisors (see below), whose sum is σ = 20167056000. Its totient is φ = 8334952704.

The previous prime is 13220102327. The next prime is 13220102333. The reversal of 13220102331 is 13320102231.

13220102331 is a `hidden beast` number, since 1 + 322 + 0 + 10 + 2 + 331 = 666.

It is not a de Polignac number, because 13220102331 - 2² = 13220102327 is a prime.

It is a super-2 number, since 2×13220102331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13220102333) 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 47 ways as a sum of consecutive naturals, for example, 2329165 + ... + 2334833.

It is an arithmetic number, because the mean of its divisors is an integer number (420147000).

Almost surely, 2^13220102331 is an apocalyptic number.

13220102331 is a deficient number, since it is larger than the sum of its proper divisors (6946953669).

13220102331 is a wasteful number, since it uses less digits than its factorization.

13220102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908 (or 5905 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13220102331 its reverse (13320102231), we get a palindrome (26540204562).

The spelling of 13220102331 in words is "thirteen billion, two hundred twenty million, one hundred two thousand, three hundred thirty-one".