131143130403 has 4 divisors (see below), whose sum is σ = 174857507208. Its totient is φ = 87428753600.

The previous prime is 131143130389. The next prime is 131143130407. The reversal of 131143130403 is 304031341131.

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

It is a cyclic number.

It is not a de Polignac number, because 131143130403 - 2⁹ = 131143129891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131143130407) 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, 21857188398 + ... + 21857188403.

It is an arithmetic number, because the mean of its divisors is an integer number (43714376802).

Almost surely, 2^131143130403 is an apocalyptic number.

131143130403 is a deficient number, since it is larger than the sum of its proper divisors (43714376805).

131143130403 is an equidigital number, since it uses as much as digits as its factorization.

131143130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43714376804.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131143130403 its reverse (304031341131), we get a palindrome (435174471534).

The spelling of 131143130403 in words is "one hundred thirty-one billion, one hundred forty-three million, one hundred thirty thousand, four hundred three".