13131032110145 has 4 divisors (see below), whose sum is σ = 15757238532180. Its totient is φ = 10504825688112.

The previous prime is 13131032110081. The next prime is 13131032110151. The reversal of 13131032110145 is 54101123013131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9272761904641 + 3858270205504 = 3045121^2 + 1964248^2 .

It is a cyclic number.

It is not a de Polignac number, because 13131032110145 - 2⁶ = 13131032110081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313103211010 + ... + 1313103211019.

It is an arithmetic number, because the mean of its divisors is an integer number (3939309633045).

Almost surely, 2^{13131032110145} is an apocalyptic number.

It is an amenable number.

13131032110145 is a deficient number, since it is larger than the sum of its proper divisors (2626206422035).

13131032110145 is an equidigital number, since it uses as much as digits as its factorization.

13131032110145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626206422034.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 13131032110145 its reverse (54101123013131), we get a palindrome (67232155123276).

The spelling of 13131032110145 in words is "thirteen trillion, one hundred thirty-one billion, thirty-two million, one hundred ten thousand, one hundred forty-five".