131530003 has 16 divisors (see below), whose sum is σ = 152440704. Its totient is φ = 112159360.

The previous prime is 131529961. The next prime is 131530019. The reversal of 131530003 is 300035131.

It is a cyclic number.

It is not a de Polignac number, because 131530003 - 2⁹ = 131529491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131530033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63876 + ... + 65902.

It is an arithmetic number, because the mean of its divisors is an integer number (9527544).

Almost surely, 2^131530003 is an apocalyptic number.

131530003 is a deficient number, since it is larger than the sum of its proper divisors (20910701).

131530003 is a wasteful number, since it uses less digits than its factorization.

131530003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 131530003 is about 11468.6530595358. The cubic root of 131530003 is about 508.5593109642.

Adding to 131530003 its reverse (300035131), we get a palindrome (431565134).

The spelling of 131530003 in words is "one hundred thirty-one million, five hundred thirty thousand, three".