131020224411389 has 2 divisors, whose sum is σ = 131020224411390. Its totient is φ = 131020224411388.

The previous prime is 131020224411347. The next prime is 131020224411437. The reversal of 131020224411389 is 983114422020131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128884364925625 + 2135859485764 = 11352725^2 + 1461458^2 .

It is a cyclic number.

It is not a de Polignac number, because 131020224411389 - 2³² = 131015929444093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131020224411889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510112205694 + 65510112205695.

It is an arithmetic number, because the mean of its divisors is an integer number (65510112205695).

Almost surely, 2^{131020224411389} is an apocalyptic number.

It is an amenable number.

131020224411389 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020224411389 is an equidigital number, since it uses as much as digits as its factorization.

131020224411389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 131020224411389 in words is "one hundred thirty-one trillion, twenty billion, two hundred twenty-four million, four hundred eleven thousand, three hundred eighty-nine".