13123231132131 has 12 divisors (see below), whose sum is σ = 19004507814240. Its totient is φ = 8726330210640.

The previous prime is 13123231132129. The next prime is 13123231132153. The reversal of 13123231132131 is 13123113232131.

13123231132131 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 323 + 11 + 321 + 3 + 1 = 666.

It is not a de Polignac number, because 13123231132131 - 2¹ = 13123231132129 is a prime.

It is a super-2 number, since 2×13123231132131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13123231132095 and 13123231132104.

It is not an unprimeable number, because it can be changed into a prime (13123231132171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1874208315 + ... + 1874215316.

It is an arithmetic number, because the mean of its divisors is an integer number (1583708984520).

Almost surely, 2^{13123231132131} is an apocalyptic number.

13123231132131 is a deficient number, since it is larger than the sum of its proper divisors (5881276682109).

13123231132131 is a wasteful number, since it uses less digits than its factorization.

13123231132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748424026 (or 3748424023 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 13123231132131 its reverse (13123113232131), we get a palindrome (26246344364262).

The spelling of 13123231132131 in words is "thirteen trillion, one hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred thirty-one".