133031123011321 has 4 divisors (see below), whose sum is σ = 133627675132672. Its totient is φ = 132434570889972.

The previous prime is 133031123011271. The next prime is 133031123011337. The reversal of 133031123011321 is 123110321130331.

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.

It is a cyclic number.

It is not a de Polignac number, because 133031123011321 - 2¹⁹ = 133031122487033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133031123011021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298276060341 + ... + 298276060786.

It is an arithmetic number, because the mean of its divisors is an integer number (33406918783168).

Almost surely, 2^{133031123011321} is an apocalyptic number.

It is an amenable number.

133031123011321 is a deficient number, since it is larger than the sum of its proper divisors (596552121351).

133031123011321 is an equidigital number, since it uses as much as digits as its factorization.

133031123011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596552121350.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 133031123011321 its reverse (123110321130331), we get a palindrome (256141444141652).

The spelling of 133031123011321 in words is "one hundred thirty-three trillion, thirty-one billion, one hundred twenty-three million, eleven thousand, three hundred twenty-one".