131500101 has 4 divisors (see below), whose sum is σ = 175333472. Its totient is φ = 87666732.

The previous prime is 131500093. The next prime is 131500139. The reversal of 131500101 is 101005131.

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 not a de Polignac number, because 131500101 - 2³ = 131500093 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 (131500141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21916681 + ... + 21916686.

It is an arithmetic number, because the mean of its divisors is an integer number (43833368).

Almost surely, 2^131500101 is an apocalyptic number.

It is an amenable number.

131500101 is a deficient number, since it is larger than the sum of its proper divisors (43833371).

131500101 is an equidigital number, since it uses as much as digits as its factorization.

131500101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43833370.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 131500101 is about 11467.3493449881. The cubic root of 131500101 is about 508.5207694586.

Adding to 131500101 its reverse (101005131), we get a palindrome (232505232).

The spelling of 131500101 in words is "one hundred thirty-one million, five hundred thousand, one hundred one".