131369238443 has 2 divisors, whose sum is σ = 131369238444. Its totient is φ = 131369238442.

The previous prime is 131369238421. The next prime is 131369238461. The reversal of 131369238443 is 344832963131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131369238443 - 2²⁶ = 131302129579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131369238463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65684619221 + 65684619222.

It is an arithmetic number, because the mean of its divisors is an integer number (65684619222).

Almost surely, 2^131369238443 is an apocalyptic number.

131369238443 is a deficient number, since it is larger than the sum of its proper divisors (1).

131369238443 is an equidigital number, since it uses as much as digits as its factorization.

131369238443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 47.

The spelling of 131369238443 in words is "one hundred thirty-one billion, three hundred sixty-nine million, two hundred thirty-eight thousand, four hundred forty-three".