131321301302123 has 2 divisors, whose sum is σ = 131321301302124. Its totient is φ = 131321301302122.

The previous prime is 131321301301991. The next prime is 131321301302171. The reversal of 131321301302123 is 321203103123131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131321301302123 - 2⁸ = 131321301301867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131321301302092 and 131321301302101.

It is not a weakly prime, because it can be changed into another prime (131321301302173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660650651061 + 65660650651062.

It is an arithmetic number, because the mean of its divisors is an integer number (65660650651062).

Almost surely, 2^{131321301302123} is an apocalyptic number.

131321301302123 is a deficient number, since it is larger than the sum of its proper divisors (1).

131321301302123 is an equidigital number, since it uses as much as digits as its factorization.

131321301302123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131321301302123 its reverse (321203103123131), we get a palindrome (452524404425254).

The spelling of 131321301302123 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, three hundred one million, three hundred two thousand, one hundred twenty-three".