131013203 has 16 divisors (see below), whose sum is σ = 140880384. Its totient is φ = 121405440.

The previous prime is 131013149. The next prime is 131013229. The reversal of 131013203 is 302310131.

It is a cyclic number.

It is not a de Polignac number, because 131013203 - 2⁶ = 131013139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131013293) 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, 509651 + ... + 509907.

It is an arithmetic number, because the mean of its divisors is an integer number (8805024).

Almost surely, 2^131013203 is an apocalyptic number.

131013203 is a deficient number, since it is larger than the sum of its proper divisors (9867181).

131013203 is a wasteful number, since it uses less digits than its factorization.

131013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131013203 is about 11446.0999034606. The cubic root of 131013203 is about 507.8923695243.

Adding to 131013203 its reverse (302310131), we get a palindrome (433323334).

The spelling of 131013203 in words is "one hundred thirty-one million, thirteen thousand, two hundred three".