133231211103321 has 32 divisors (see below), whose sum is σ = 202717864283520. Its totient is φ = 86418663728832.

The previous prime is 133231211103139. The next prime is 133231211103329. The reversal of 133231211103321 is 123301112132331.

133231211103321 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 312 + 1 + 1 + 10 + 332 + 1 = 666.

It is not a de Polignac number, because 133231211103321 - 2¹⁵ = 133231211070553 is a prime.

It is a super-2 number, since 2×133231211103321² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133231211103329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54684886 + ... + 57069248.

It is an arithmetic number, because the mean of its divisors is an integer number (6334933258860).

Almost surely, 2^{133231211103321} is an apocalyptic number.

It is an amenable number.

133231211103321 is a deficient number, since it is larger than the sum of its proper divisors (69486653180199).

133231211103321 is a wasteful number, since it uses less digits than its factorization.

133231211103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440342 (or 2440336 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 133231211103321 its reverse (123301112132331), we get a palindrome (256532323235652).

The spelling of 133231211103321 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, two hundred eleven million, one hundred three thousand, three hundred twenty-one".