131403020232389 has 2 divisors, whose sum is σ = 131403020232390. Its totient is φ = 131403020232388.

The previous prime is 131403020232331. The next prime is 131403020232413. The reversal of 131403020232389 is 983232020304131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118169031231364 + 13233989001025 = 10870558^2 + 3637855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403020232389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403020232989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701510116194 + 65701510116195.

It is an arithmetic number, because the mean of its divisors is an integer number (65701510116195).

Almost surely, 2^{131403020232389} is an apocalyptic number.

It is an amenable number.

131403020232389 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403020232389 is an equidigital number, since it uses as much as digits as its factorization.

131403020232389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 131403020232389 in words is "one hundred thirty-one trillion, four hundred three billion, twenty million, two hundred thirty-two thousand, three hundred eighty-nine".