13220131001 has 48 divisors (see below), whose sum is σ = 17357125632. Its totient is φ = 9846476640.

The previous prime is 13220130991. The next prime is 13220131037. The reversal of 13220131001 is 10013102231.

It is a de Polignac number, because none of the positive numbers 2^k-13220131001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13220131091) 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, 1707926 + ... + 1715648.

It is an arithmetic number, because the mean of its divisors is an integer number (361606784).

Almost surely, 2^13220131001 is an apocalyptic number.

13220131001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13220131001 is a deficient number, since it is larger than the sum of its proper divisors (4136994631).

13220131001 is a wasteful number, since it uses less digits than its factorization.

13220131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7842 (or 7831 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13220131001 its reverse (10013102231), we get a palindrome (23233233232).

The spelling of 13220131001 in words is "thirteen billion, two hundred twenty million, one hundred thirty-one thousand, one".