133333131101 has 4 divisors (see below), whose sum is σ = 134292362400. Its totient is φ = 132373899804.

The previous prime is 133333131097. The next prime is 133333131119. The reversal of 133333131101 is 101131333331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133333131101 - 2² = 133333131097 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 (133333131181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479615441 + ... + 479615718.

It is an arithmetic number, because the mean of its divisors is an integer number (33573090600).

Almost surely, 2^133333131101 is an apocalyptic number.

It is an amenable number.

133333131101 is a deficient number, since it is larger than the sum of its proper divisors (959231299).

133333131101 is an equidigital number, since it uses as much as digits as its factorization.

133333131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959231298.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 133333131101 its reverse (101131333331), we get a palindrome (234464464432).

The spelling of 133333131101 in words is "one hundred thirty-three billion, three hundred thirty-three million, one hundred thirty-one thousand, one hundred one".