131003101 has 4 divisors (see below), whose sum is σ = 136698912. Its totient is φ = 125307292.

The previous prime is 131003027. The next prime is 131003107. The reversal of 131003101 is 101300131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131003101 - 2⁷ = 131002973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131003107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847871 + ... + 2847916.

It is an arithmetic number, because the mean of its divisors is an integer number (34174728).

Almost surely, 2^131003101 is an apocalyptic number.

It is an amenable number.

131003101 is a deficient number, since it is larger than the sum of its proper divisors (5695811).

131003101 is an equidigital number, since it uses as much as digits as its factorization.

131003101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695810.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 131003101 is about 11445.6586092719. The cubic root of 131003101 is about 507.8793152151.

Adding to 131003101 its reverse (101300131), we get a palindrome (232303232).

The spelling of 131003101 in words is "one hundred thirty-one million, three thousand, one hundred one".