13220301131 has 4 divisors (see below), whose sum is σ = 13258182000. Its totient is φ = 13182420264.

The previous prime is 13220301103. The next prime is 13220301167. The reversal of 13220301131 is 13110302231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13220301131 is a prime.

It is a super-2 number, since 2×13220301131² (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 (13220301431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18939911 + ... + 18940608.

It is an arithmetic number, because the mean of its divisors is an integer number (3314545500).

Almost surely, 2^13220301131 is an apocalyptic number.

13220301131 is a deficient number, since it is larger than the sum of its proper divisors (37880869).

13220301131 is an equidigital number, since it uses as much as digits as its factorization.

13220301131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37880868.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13220301131 its reverse (13110302231), we get a palindrome (26330603362).

The spelling of 13220301131 in words is "thirteen billion, two hundred twenty million, three hundred one thousand, one hundred thirty-one".