131301302121323 has 4 divisors (see below), whose sum is σ = 131332044645408. Its totient is φ = 131270559597240.

The previous prime is 131301302121313. The next prime is 131301302121331. The reversal of 131301302121323 is 323121203103131.

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 131301302121323 - 2¹⁰ = 131301302120299 is a prime.

It is a super-2 number, since 2×131301302121323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131301302121292 and 131301302121301.

It is not an unprimeable number, because it can be changed into a prime (131301302121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15371255636 + ... + 15371264177.

It is an arithmetic number, because the mean of its divisors is an integer number (32833011161352).

Almost surely, 2^{131301302121323} is an apocalyptic number.

131301302121323 is a deficient number, since it is larger than the sum of its proper divisors (30742524085).

131301302121323 is an equidigital number, since it uses as much as digits as its factorization.

131301302121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30742524084.

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

Adding to 131301302121323 its reverse (323121203103131), we get a palindrome (454422505224454).

The spelling of 131301302121323 in words is "one hundred thirty-one trillion, three hundred one billion, three hundred two million, one hundred twenty-one thousand, three hundred twenty-three".