131803783 has 2 divisors, whose sum is σ = 131803784. Its totient is φ = 131803782.

The previous prime is 131803717. The next prime is 131803829. The reversal of 131803783 is 387308131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131803783 is a prime.

It is a super-2 number, since 2×131803783² = 34744474426222178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131803183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65901891 + 65901892.

It is an arithmetic number, because the mean of its divisors is an integer number (65901892).

Almost surely, 2^131803783 is an apocalyptic number.

131803783 is a deficient number, since it is larger than the sum of its proper divisors (1).

131803783 is an equidigital number, since it uses as much as digits as its factorization.

131803783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 131803783 is about 11480.5828684784. The cubic root of 131803783 is about 508.9119222105.

The spelling of 131803783 in words is "one hundred thirty-one million, eight hundred three thousand, seven hundred eighty-three".