133003221331 has 8 divisors (see below), whose sum is σ = 135838557504. Its totient is φ = 130168113600.

The previous prime is 133003221289. The next prime is 133003221341. The reversal of 133003221331 is 133122300331.

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 133003221331 - 2¹⁹ = 133002697043 is a prime.

It is a super-2 number, since 2×133003221331² (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 (133003221341) 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, 1670631 + ... + 1748431.

It is an arithmetic number, because the mean of its divisors is an integer number (16979819688).

Almost surely, 2^133003221331 is an apocalyptic number.

133003221331 is a deficient number, since it is larger than the sum of its proper divisors (2835336173).

133003221331 is an equidigital number, since it uses as much as digits as its factorization.

133003221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114221.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133003221331 its reverse (133122300331), we get a palindrome (266125521662).

The spelling of 133003221331 in words is "one hundred thirty-three billion, three million, two hundred twenty-one thousand, three hundred thirty-one".