13555330131 has 16 divisors (see below), whose sum is σ = 20658412544. Its totient is φ = 7744901184.

The previous prime is 13555330121. The next prime is 13555330157. The reversal of 13555330131 is 13103355531.

It is not a de Polignac number, because 13555330131 - 2¹⁷ = 13555199059 is a prime.

It is a super-2 number, since 2×13555330131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13555330111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143655 + ... + 218511.

It is an arithmetic number, because the mean of its divisors is an integer number (1291150784).

Almost surely, 2^13555330131 is an apocalyptic number.

13555330131 is a deficient number, since it is larger than the sum of its proper divisors (7103082413).

13555330131 is an equidigital number, since it uses as much as digits as its factorization.

13555330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83490.

The product of its (nonzero) digits is 10125, while the sum is 30.

Adding to 13555330131 its reverse (13103355531), we get a palindrome (26658685662).

The spelling of 13555330131 in words is "thirteen billion, five hundred fifty-five million, three hundred thirty thousand, one hundred thirty-one".