131003242 has 8 divisors (see below), whose sum is σ = 197062596. Its totient is φ = 65315712.

The previous prime is 131003209. The next prime is 131003261. The reversal of 131003242 is 242300131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130439241 + 564001 = 11421^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92073 + ... + 93484.

Almost surely, 2^131003242 is an apocalyptic number.

131003242 is a deficient number, since it is larger than the sum of its proper divisors (66059354).

131003242 is a wasteful number, since it uses less digits than its factorization.

131003242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185912.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131003242 is about 11445.6647688109. The cubic root of 131003242 is about 507.8794974269.

Adding to 131003242 its reverse (242300131), we get a palindrome (373303373).

The spelling of 131003242 in words is "one hundred thirty-one million, three thousand, two hundred forty-two".