131203004221 has 8 divisors (see below), whose sum is σ = 133451035200. Its totient is φ = 128970860832.

The previous prime is 131203004201. The next prime is 131203004237. The reversal of 131203004221 is 122400302131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131203004221 - 2²³ = 131194615613 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 (131203004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3955240 + ... + 3988273.

It is an arithmetic number, because the mean of its divisors is an integer number (16681379400).

Almost surely, 2^131203004221 is an apocalyptic number.

It is an amenable number.

131203004221 is a deficient number, since it is larger than the sum of its proper divisors (2248030979).

131203004221 is an equidigital number, since it uses as much as digits as its factorization.

131203004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943795.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131203004221 its reverse (122400302131), we get a palindrome (253603306352).

The spelling of 131203004221 in words is "one hundred thirty-one billion, two hundred three million, four thousand, two hundred twenty-one".