133221311330131 has 8 divisors (see below), whose sum is σ = 140446671561504. Its totient is φ = 126115378540800.

The previous prime is 133221311330113. The next prime is 133221311330147. The reversal of 133221311330131 is 131033113122331.

It is a happy number.

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 133221311330131 - 2¹³ = 133221311321939 is a prime.

It is a super-2 number, since 2×133221311330131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133221311330131.

It is not an unprimeable number, because it can be changed into a prime (133221311330101) 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, 29856858220 + ... + 29856862681.

It is an arithmetic number, because the mean of its divisors is an integer number (17555833945188).

Almost surely, 2^{133221311330131} is an apocalyptic number.

133221311330131 is a deficient number, since it is larger than the sum of its proper divisors (7225360231373).

133221311330131 is an equidigital number, since it uses as much as digits as its factorization.

133221311330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59713721021.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 133221311330131 its reverse (131033113122331), we get a palindrome (264254424452462).

The spelling of 133221311330131 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, three hundred eleven million, three hundred thirty thousand, one hundred thirty-one".