133131304202242 has 16 divisors (see below), whose sum is σ = 200408448051000. Its totient is φ = 66328490139520.

The previous prime is 133131304202203. The next prime is 133131304202261. The reversal of 133131304202242 is 242202403131331.

It can be written as a sum of positive squares in 4 ways, for example, as 102692260770961 + 30439043431281 = 10133719^2 + 5517159^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251235384 + ... + 251764732.

Almost surely, 2^{133131304202242} is an apocalyptic number.

133131304202242 is a deficient number, since it is larger than the sum of its proper divisors (67277143848758).

133131304202242 is a wasteful number, since it uses less digits than its factorization.

133131304202242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977141.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 133131304202242 its reverse (242202403131331), we get a palindrome (375333707333573).

The spelling of 133131304202242 in words is "one hundred thirty-three trillion, one hundred thirty-one billion, three hundred four million, two hundred two thousand, two hundred forty-two".