131130120201 has 4 divisors (see below), whose sum is σ = 174840160272. Its totient is φ = 87420080132.

The previous prime is 131130120139. The next prime is 131130120203. The reversal of 131130120201 is 102021031131.

It is a happy number.

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 131130120201 - 2¹¹ = 131130118153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131130120203) 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, 21855020031 + ... + 21855020036.

It is an arithmetic number, because the mean of its divisors is an integer number (43710040068).

Almost surely, 2^131130120201 is an apocalyptic number.

It is an amenable number.

131130120201 is a deficient number, since it is larger than the sum of its proper divisors (43710040071).

131130120201 is an equidigital number, since it uses as much as digits as its factorization.

131130120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710040070.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131130120201 its reverse (102021031131), we get a palindrome (233151151332).

The spelling of 131130120201 in words is "one hundred thirty-one billion, one hundred thirty million, one hundred twenty thousand, two hundred one".