131135333 has 4 divisors (see below), whose sum is σ = 149868960. Its totient is φ = 112401708.

The previous prime is 131135309. The next prime is 131135341. The reversal of 131135333 is 333531131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 333531131 = 5501 ⋅60631.

It is a cyclic number.

It is not a de Polignac number, because 131135333 - 2⁸ = 131135077 is a prime.

It is a super-2 number, since 2×131135333² = 34392951122041778, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131135299 and 131135308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131135353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9366803 + ... + 9366816.

It is an arithmetic number, because the mean of its divisors is an integer number (37467240).

Almost surely, 2^131135333 is an apocalyptic number.

It is an amenable number.

131135333 is a deficient number, since it is larger than the sum of its proper divisors (18733627).

131135333 is an equidigital number, since it uses as much as digits as its factorization.

131135333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18733626.

The product of its digits is 1215, while the sum is 23.

The square root of 131135333 is about 11451.4336657032. The cubic root of 131135333 is about 508.0501389431.

Adding to 131135333 its reverse (333531131), we get a palindrome (464666464).

The spelling of 131135333 in words is "one hundred thirty-one million, one hundred thirty-five thousand, three hundred thirty-three".