13128882131 has 4 divisors (see below), whose sum is σ = 13251582072. Its totient is φ = 13006182192.

The previous prime is 13128882101. The next prime is 13128882167.

13128882131 is nontrivially palindromic in base 10.

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-13128882131 is a prime.

It is a super-2 number, since 2×13128882131² (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 (13128882101) 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 3 ways as a sum of consecutive naturals, for example, 61349810 + ... + 61350023.

It is an arithmetic number, because the mean of its divisors is an integer number (3312895518).

Almost surely, 2^13128882131 is an apocalyptic number.

13128882131 is a deficient number, since it is larger than the sum of its proper divisors (122699941).

13128882131 is a wasteful number, since it uses less digits than its factorization.

13128882131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122699940.

The product of its digits is 18432, while the sum is 38.

The spelling of 13128882131 in words is "thirteen billion, one hundred twenty-eight million, eight hundred eighty-two thousand, one hundred thirty-one".