133011330131 has 4 divisors (see below), whose sum is σ = 133222125264. Its totient is φ = 132800535000.

The previous prime is 133011330097. The next prime is 133011330143. The reversal of 133011330131 is 131033110331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133011330131 is a prime.

It is a super-2 number, since 2×133011330131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133011330031) 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, 105396620 + ... + 105397881.

It is an arithmetic number, because the mean of its divisors is an integer number (33305531316).

Almost surely, 2^133011330131 is an apocalyptic number.

133011330131 is a deficient number, since it is larger than the sum of its proper divisors (210795133).

133011330131 is an equidigital number, since it uses as much as digits as its factorization.

133011330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210795132.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 133011330131 its reverse (131033110331), we get a palindrome (264044440462).

The spelling of 133011330131 in words is "one hundred thirty-three billion, eleven million, three hundred thirty thousand, one hundred thirty-one".