131918587783 has 2 divisors, whose sum is σ = 131918587784. Its totient is φ = 131918587782.

The previous prime is 131918587763. The next prime is 131918587841. The reversal of 131918587783 is 387785819131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131918587783 - 2²⁹ = 131381716871 is a prime.

It is a super-3 number, since 3×131918587783³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131918587763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65959293891 + 65959293892.

It is an arithmetic number, because the mean of its divisors is an integer number (65959293892).

Almost surely, 2^131918587783 is an apocalyptic number.

131918587783 is a deficient number, since it is larger than the sum of its proper divisors (1).

131918587783 is an equidigital number, since it uses as much as digits as its factorization.

131918587783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 61.

The spelling of 131918587783 in words is "one hundred thirty-one billion, nine hundred eighteen million, five hundred eighty-seven thousand, seven hundred eighty-three".