13002220331 has 8 divisors (see below), whose sum is σ = 13464897600. Its totient is φ = 12546829512.

The previous prime is 13002220289. The next prime is 13002220337. The reversal of 13002220331 is 13302220031.

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-13002220331 is a prime.

It is a super-2 number, since 2×13002220331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13002220337) 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, 1817981 + ... + 1825118.

It is an arithmetic number, because the mean of its divisors is an integer number (1683112200).

Almost surely, 2^13002220331 is an apocalyptic number.

13002220331 is a deficient number, since it is larger than the sum of its proper divisors (462677269).

13002220331 is an equidigital number, since it uses as much as digits as its factorization.

13002220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643225.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13002220331 its reverse (13302220031), we get a palindrome (26304440362).

The spelling of 13002220331 in words is "thirteen billion, two million, two hundred twenty thousand, three hundred thirty-one".