131004101 has 4 divisors (see below), whose sum is σ = 134050752. Its totient is φ = 127957452.

The previous prime is 131004089. The next prime is 131004191. The reversal of 131004101 is 101400131.

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 131004101 - 2⁶ = 131004037 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 (131004191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523261 + ... + 1523346.

It is an arithmetic number, because the mean of its divisors is an integer number (33512688).

Almost surely, 2^131004101 is an apocalyptic number.

It is an amenable number.

131004101 is a deficient number, since it is larger than the sum of its proper divisors (3046651).

131004101 is an equidigital number, since it uses as much as digits as its factorization.

131004101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046650.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 131004101 is about 11445.7022938743. The cubic root of 131004101 is about 507.8806074950.

Adding to 131004101 its reverse (101400131), we get a palindrome (232404232).

The spelling of 131004101 in words is "one hundred thirty-one million, four thousand, one hundred one".