131203131211 has 8 divisors (see below), whose sum is σ = 136022526864. Its totient is φ = 126460846080.

The previous prime is 131203131161. The next prime is 131203131247. The reversal of 131203131211 is 112131302131.

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

It is not a de Polignac number, because 131203131211 - 2⁷ = 131203131083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131203131251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19274166 + ... + 19280971.

It is an arithmetic number, because the mean of its divisors is an integer number (17002815858).

Almost surely, 2^131203131211 is an apocalyptic number.

131203131211 is a deficient number, since it is larger than the sum of its proper divisors (4819395653).

131203131211 is an equidigital number, since it uses as much as digits as its factorization.

131203131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38555261.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131203131211 its reverse (112131302131), we get a palindrome (243334433342).

The spelling of 131203131211 in words is "one hundred thirty-one billion, two hundred three million, one hundred thirty-one thousand, two hundred eleven".