131335433 has 2 divisors, whose sum is σ = 131335434. Its totient is φ = 131335432.

The previous prime is 131335427. The next prime is 131335439. The reversal of 131335433 is 334533131.

It is a balanced prime because it is at equal distance from previous prime (131335427) and next prime (131335439).

It can be written as a sum of positive squares in only one way, i.e., 130690624 + 644809 = 11432^2 + 803^2 .

It is an emirp because it is prime and its reverse (334533131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131335433 - 2⁴ = 131335417 is a prime.

It is a super-2 number, since 2×131335433² = 34497991922594978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131335439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65667716 + 65667717.

It is an arithmetic number, because the mean of its divisors is an integer number (65667717).

Almost surely, 2^131335433 is an apocalyptic number.

It is an amenable number.

131335433 is a deficient number, since it is larger than the sum of its proper divisors (1).

131335433 is an equidigital number, since it uses as much as digits as its factorization.

131335433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 26.

The square root of 131335433 is about 11460.1672326367. The cubic root of 131335433 is about 508.3084196216.

Adding to 131335433 its reverse (334533131), we get a palindrome (465868564).

The spelling of 131335433 in words is "one hundred thirty-one million, three hundred thirty-five thousand, four hundred thirty-three".