133231033321 has 4 divisors (see below), whose sum is σ = 133248346000. Its totient is φ = 133213720644.

The previous prime is 133231033303. The next prime is 133231033333. The reversal of 133231033321 is 123330132331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123330132331 = 7 ⋅17618590333.

It is a cyclic number.

It is not a de Polignac number, because 133231033321 - 2¹¹ = 133231031273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133231033381) 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 3 ways as a sum of consecutive naturals, for example, 8644791 + ... + 8660188.

It is an arithmetic number, because the mean of its divisors is an integer number (33312086500).

Almost surely, 2^133231033321 is an apocalyptic number.

It is an amenable number.

133231033321 is a deficient number, since it is larger than the sum of its proper divisors (17312679).

133231033321 is an equidigital number, since it uses as much as digits as its factorization.

133231033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17312678.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133231033321 its reverse (123330132331), we get a palindrome (256561165652).

It can be divided in two parts, 1332310 and 33321, that added together give a palindrome (1365631).

The spelling of 133231033321 in words is "one hundred thirty-three billion, two hundred thirty-one million, thirty-three thousand, three hundred twenty-one".