131508833 has 2 divisors, whose sum is σ = 131508834. Its totient is φ = 131508832.

The previous prime is 131508809. The next prime is 131508857. The reversal of 131508833 is 338805131.

It is a balanced prime because it is at equal distance from previous prime (131508809) and next prime (131508857).

It can be written as a sum of positive squares in only one way, i.e., 79423744 + 52085089 = 8912^2 + 7217^2 .

It is a cyclic number.

It is not a de Polignac number, because 131508833 - 2¹⁰ = 131507809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131508833.

It is not a weakly prime, because it can be changed into another prime (131508893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65754416 + 65754417.

It is an arithmetic number, because the mean of its divisors is an integer number (65754417).

Almost surely, 2^131508833 is an apocalyptic number.

It is an amenable number.

131508833 is a deficient number, since it is larger than the sum of its proper divisors (1).

131508833 is an equidigital number, since it uses as much as digits as its factorization.

131508833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 131508833 is about 11467.7300718146. The cubic root of 131508833 is about 508.5320249761.

The spelling of 131508833 in words is "one hundred thirty-one million, five hundred eight thousand, eight hundred thirty-three".