131320833 has 12 divisors (see below), whose sum is σ = 203681520. Its totient is φ = 75040392.

The previous prime is 131320817. The next prime is 131320841. The reversal of 131320833 is 338023131.

It is not a de Polignac number, because 131320833 - 2⁴ = 131320817 is a prime.

It is a super-2 number, since 2×131320833² = 34490322359627778, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131320873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446523 + ... + 446816.

It is an arithmetic number, because the mean of its divisors is an integer number (16973460).

Almost surely, 2^131320833 is an apocalyptic number.

It is an amenable number.

131320833 is a deficient number, since it is larger than the sum of its proper divisors (72360687).

131320833 is an equidigital number, since it uses as much as digits as its factorization.

131320833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893356 (or 893349 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 131320833 is about 11459.5302259735. The cubic root of 131320833 is about 508.2895834306.

Adding to 131320833 its reverse (338023131), we get a palindrome (469343964).

The spelling of 131320833 in words is "one hundred thirty-one million, three hundred twenty thousand, eight hundred thirty-three".