131500333 has 2 divisors, whose sum is σ = 131500334. Its totient is φ = 131500332.

The previous prime is 131500279. The next prime is 131500337. The reversal of 131500333 is 333005131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101666889 + 29833444 = 10083^2 + 5462^2 .

It is a cyclic number.

It is not a de Polignac number, because 131500333 - 2⁹ = 131499821 is a prime.

It is a super-2 number, since 2×131500333² = 34584675158221778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131500333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131500337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65750166 + 65750167.

It is an arithmetic number, because the mean of its divisors is an integer number (65750167).

Almost surely, 2^131500333 is an apocalyptic number.

It is an amenable number.

131500333 is a deficient number, since it is larger than the sum of its proper divisors (1).

131500333 is an equidigital number, since it uses as much as digits as its factorization.

131500333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 131500333 is about 11467.3594606605. The cubic root of 131500333 is about 508.5210685122.

Adding to 131500333 its reverse (333005131), we get a palindrome (464505464).

The spelling of 131500333 in words is "one hundred thirty-one million, five hundred thousand, three hundred thirty-three".