131520033 has 12 divisors (see below), whose sum is σ = 199972240. Its totient is φ = 83065176.

The previous prime is 131520031. The next prime is 131520097. The reversal of 131520033 is 330025131.

It is not a de Polignac number, because 131520033 - 2¹ = 131520031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131519988 and 131520015.

It is not an unprimeable number, because it can be changed into a prime (131520031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384391 + ... + 384732.

Almost surely, 2^131520033 is an apocalyptic number.

It is an amenable number.

131520033 is a deficient number, since it is larger than the sum of its proper divisors (68452207).

131520033 is a wasteful number, since it uses less digits than its factorization.

131520033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769148 (or 769145 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 131520033 is about 11468.2183882240. The cubic root of 131520033 is about 508.5464610077.

Adding to 131520033 its reverse (330025131), we get a palindrome (461545164).

The spelling of 131520033 in words is "one hundred thirty-one million, five hundred twenty thousand, thirty-three".