131130312023213 has 2 divisors, whose sum is σ = 131130312023214. Its totient is φ = 131130312023212.

The previous prime is 131130312023143. The next prime is 131130312023299. The reversal of 131130312023213 is 312320213031131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130885086012004 + 245226011209 = 11440502^2 + 495203^2 .

It is a cyclic number.

It is not a de Polignac number, because 131130312023213 - 2¹² = 131130312019117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131130312023813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565156011606 + 65565156011607.

It is an arithmetic number, because the mean of its divisors is an integer number (65565156011607).

Almost surely, 2^{131130312023213} is an apocalyptic number.

It is an amenable number.

131130312023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

131130312023213 is an equidigital number, since it uses as much as digits as its factorization.

131130312023213 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 131130312023213 its reverse (312320213031131), we get a palindrome (443450525054344).

The spelling of 131130312023213 in words is "one hundred thirty-one trillion, one hundred thirty billion, three hundred twelve million, twenty-three thousand, two hundred thirteen".