131142203303194 has 4 divisors (see below), whose sum is σ = 196713304954794. Its totient is φ = 65571101651596.

The previous prime is 131142203303141. The next prime is 131142203303201. The reversal of 131142203303194 is 491303302241131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117180300250225 + 13961903052969 = 10824985^2 + 3736563^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32785550825797 + ... + 32785550825800.

Almost surely, 2^{131142203303194} is an apocalyptic number.

131142203303194 is a deficient number, since it is larger than the sum of its proper divisors (65571101651600).

131142203303194 is an equidigital number, since it uses as much as digits as its factorization.

131142203303194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65571101651599.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 131142203303194 in words is "one hundred thirty-one trillion, one hundred forty-two billion, two hundred three million, three hundred three thousand, one hundred ninety-four".