133011131 has 8 divisors (see below), whose sum is σ = 145454400. Its totient is φ = 120626440.

The previous prime is 133011119. The next prime is 133011133. The reversal of 133011131 is 131110331.

It is a happy number.

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

It is not a de Polignac number, because 133011131 - 2¹⁰ = 133010107 is a prime.

It is a super-2 number, since 2×133011131² = 35383921939798322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133011133) 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, 9821 + ... + 19038.

It is an arithmetic number, because the mean of its divisors is an integer number (18181800).

Almost surely, 2^133011131 is an apocalyptic number.

133011131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133011131 is a deficient number, since it is larger than the sum of its proper divisors (12443269).

133011131 is a wasteful number, since it uses less digits than its factorization.

133011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29289.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 133011131 is about 11533.0451746276. The cubic root of 133011131 is about 510.4611118634.

Adding to 133011131 its reverse (131110331), we get a palindrome (264121462).

The spelling of 133011131 in words is "one hundred thirty-three million, eleven thousand, one hundred thirty-one".