131031323333203 has 4 divisors (see below), whose sum is σ = 131031483183288. Its totient is φ = 131031163483120.

The previous prime is 131031323333159. The next prime is 131031323333243. The reversal of 131031323333203 is 302333323130131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131031323333203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131031323333243) 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, 78689101 + ... + 80337022.

It is an arithmetic number, because the mean of its divisors is an integer number (32757870795822).

Almost surely, 2^{131031323333203} is an apocalyptic number.

131031323333203 is a deficient number, since it is larger than the sum of its proper divisors (159850085).

131031323333203 is an equidigital number, since it uses as much as digits as its factorization.

131031323333203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159850084.

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 131031323333203 its reverse (302333323130131), we get a palindrome (433364646463334).

The spelling of 131031323333203 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred twenty-three million, three hundred thirty-three thousand, two hundred three".