131310311022103 has 4 divisors (see below), whose sum is σ = 132268780445760. Its totient is φ = 130351841598448.

The previous prime is 131310311022091. The next prime is 131310311022119. The reversal of 131310311022103 is 301220113013131.

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 131310311022103 - 2¹⁷ = 131310310891031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310311022203) 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, 479234711623 + ... + 479234711896.

It is an arithmetic number, because the mean of its divisors is an integer number (33067195111440).

Almost surely, 2^{131310311022103} is an apocalyptic number.

131310311022103 is a deficient number, since it is larger than the sum of its proper divisors (958469423657).

131310311022103 is an equidigital number, since it uses as much as digits as its factorization.

131310311022103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958469423656.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131310311022103 its reverse (301220113013131), we get a palindrome (432530424035234).

The spelling of 131310311022103 in words is "one hundred thirty-one trillion, three hundred ten billion, three hundred eleven million, twenty-two thousand, one hundred three".