131203001201 has 4 divisors (see below), whose sum is σ = 131701872192. Its totient is φ = 130704130212.

The previous prime is 131203001177. The next prime is 131203001203. The reversal of 131203001201 is 102100302131.

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 131203001201 - 2¹⁴ = 131202984817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131203001203) 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, 249435101 + ... + 249435626.

It is an arithmetic number, because the mean of its divisors is an integer number (32925468048).

Almost surely, 2^131203001201 is an apocalyptic number.

It is an amenable number.

131203001201 is a deficient number, since it is larger than the sum of its proper divisors (498870991).

131203001201 is an equidigital number, since it uses as much as digits as its factorization.

131203001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498870990.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131203001201 its reverse (102100302131), we get a palindrome (233303303332).

The spelling of 131203001201 in words is "one hundred thirty-one billion, two hundred three million, one thousand, two hundred one".