131303033 has 4 divisors (see below), whose sum is σ = 134505588. Its totient is φ = 128100480.

The previous prime is 131303027. The next prime is 131303041. The reversal of 131303033 is 330303131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330303131 = 16759 ⋅19709.

It can be written as a sum of positive squares in 2 ways, for example, as 27426169 + 103876864 = 5237^2 + 10192^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303033 - 2⁸ = 131302777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601216 + ... + 1601297.

It is an arithmetic number, because the mean of its divisors is an integer number (33626397).

Almost surely, 2^131303033 is an apocalyptic number.

It is an amenable number.

131303033 is a deficient number, since it is larger than the sum of its proper divisors (3202555).

131303033 is an equidigital number, since it uses as much as digits as its factorization.

131303033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202554.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 131303033 is about 11458.7535535066. The cubic root of 131303033 is about 508.2666168705.

Adding to 131303033 its reverse (330303131), we get a palindrome (461606164).

The spelling of 131303033 in words is "one hundred thirty-one million, three hundred three thousand, thirty-three".