133201731011 has 2 divisors, whose sum is σ = 133201731012. Its totient is φ = 133201731010.

The previous prime is 133201730969. The next prime is 133201731059. The reversal of 133201731011 is 110137102331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133201731011 - 2⁶ = 133201730947 is a prime.

It is a super-2 number, since 2×133201731011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133201731511) 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 as a sum of consecutive naturals, namely, 66600865505 + 66600865506.

It is an arithmetic number, because the mean of its divisors is an integer number (66600865506).

Almost surely, 2^133201731011 is an apocalyptic number.

133201731011 is a deficient number, since it is larger than the sum of its proper divisors (1).

133201731011 is an equidigital number, since it uses as much as digits as its factorization.

133201731011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

Adding to 133201731011 its reverse (110137102331), we get a palindrome (243338833342).

The spelling of 133201731011 in words is "one hundred thirty-three billion, two hundred one million, seven hundred thirty-one thousand, eleven".