133001313231 has 8 divisors (see below), whose sum is σ = 177337583280. Its totient is φ = 88666292672.

The previous prime is 133001313227. The next prime is 133001313253. The reversal of 133001313231 is 132313100331.

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

It is a cyclic number.

It is not a de Polignac number, because 133001313231 - 2² = 133001313227 is a prime.

It is a super-2 number, since 2×133001313231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133001313198 and 133001313207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001313281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26670 + ... + 516443.

It is an arithmetic number, because the mean of its divisors is an integer number (22167197910).

Almost surely, 2^133001313231 is an apocalyptic number.

133001313231 is a deficient number, since it is larger than the sum of its proper divisors (44336270049).

133001313231 is an equidigital number, since it uses as much as digits as its factorization.

133001313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624745.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133001313231 its reverse (132313100331), we get a palindrome (265314413562).

The spelling of 133001313231 in words is "one hundred thirty-three billion, one million, three hundred thirteen thousand, two hundred thirty-one".