131820883 has 2 divisors, whose sum is σ = 131820884. Its totient is φ = 131820882.

The previous prime is 131820881. The next prime is 131820937. The reversal of 131820883 is 388028131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131820883 - 2¹ = 131820881 is a prime.

Together with 131820881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131820881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65910441 + 65910442.

It is an arithmetic number, because the mean of its divisors is an integer number (65910442).

Almost surely, 2^131820883 is an apocalyptic number.

131820883 is a deficient number, since it is larger than the sum of its proper divisors (1).

131820883 is an equidigital number, since it uses as much as digits as its factorization.

131820883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 131820883 is about 11481.3275800318. The cubic root of 131820883 is about 508.9339297163.

It can be divided in two parts, 1318 and 20883, that added together give a square (22201 = 149²).

The spelling of 131820883 in words is "one hundred thirty-one million, eight hundred twenty thousand, eight hundred eighty-three".