133040340331 has 4 divisors (see below), whose sum is σ = 133044685200. Its totient is φ = 133035995464.

The previous prime is 133040340317. The next prime is 133040340337. The reversal of 133040340331 is 133043040331.

It is a happy number.

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-133040340331 is a prime.

It is a super-2 number, since 2×133040340331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133040340296 and 133040340305.

It is not an unprimeable number, because it can be changed into a prime (133040340337) 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, 2126176 + ... + 2187853.

It is an arithmetic number, because the mean of its divisors is an integer number (33261171300).

Almost surely, 2^133040340331 is an apocalyptic number.

133040340331 is a deficient number, since it is larger than the sum of its proper divisors (4344869).

133040340331 is an equidigital number, since it uses as much as digits as its factorization.

133040340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344868.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133040340331 its reverse (133043040331), we get a palindrome (266083380662).

The spelling of 133040340331 in words is "one hundred thirty-three billion, forty million, three hundred forty thousand, three hundred thirty-one".