13130895881 has 4 divisors (see below), whose sum is σ = 13132822164. Its totient is φ = 13128969600.

The previous prime is 13130895857. The next prime is 13130895941. The reversal of 13130895881 is 18859803131.

It is a happy number.

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 8824911481 + 4305984400 = 93941^2 + 65620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130895881 is a prime.

It is a super-2 number, since 2×13130895881² (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 (13130895821) 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, 952880 + ... + 966561.

It is an arithmetic number, because the mean of its divisors is an integer number (3283205541).

Almost surely, 2^13130895881 is an apocalyptic number.

It is an amenable number.

13130895881 is a deficient number, since it is larger than the sum of its proper divisors (1926283).

13130895881 is an equidigital number, since it uses as much as digits as its factorization.

13130895881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926282.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 13130895881 in words is "thirteen billion, one hundred thirty million, eight hundred ninety-five thousand, eight hundred eighty-one".