131100240402389 has 2 divisors, whose sum is σ = 131100240402390. Its totient is φ = 131100240402388.

The previous prime is 131100240402289. The next prime is 131100240402401. The reversal of 131100240402389 is 983204042001131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96657074833489 + 34443165568900 = 9831433^2 + 5868830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131100240402389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131100240402289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65550120201194 + 65550120201195.

It is an arithmetic number, because the mean of its divisors is an integer number (65550120201195).

Almost surely, 2^{131100240402389} is an apocalyptic number.

It is an amenable number.

131100240402389 is a deficient number, since it is larger than the sum of its proper divisors (1).

131100240402389 is an equidigital number, since it uses as much as digits as its factorization.

131100240402389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 131100240402389 in words is "one hundred thirty-one trillion, one hundred billion, two hundred forty million, four hundred two thousand, three hundred eighty-nine".