133220323313 has 16 divisors (see below), whose sum is σ = 166115264640. Its totient is φ = 103794048000.

The previous prime is 133220323307. The next prime is 133220323321. The reversal of 133220323313 is 313323022331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133220323313 - 2²⁰ = 133219274737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133220323343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477713 + ... + 703313.

It is an arithmetic number, because the mean of its divisors is an integer number (10382204040).

Almost surely, 2^133220323313 is an apocalyptic number.

It is an amenable number.

133220323313 is a deficient number, since it is larger than the sum of its proper divisors (32894941327).

133220323313 is a wasteful number, since it uses less digits than its factorization.

133220323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233288.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 133220323313 its reverse (313323022331), we get a palindrome (446543345644).

It can be divided in two parts, 133220 and 323313, that added together give a cube (456533 = 77³).

The spelling of 133220323313 in words is "one hundred thirty-three billion, two hundred twenty million, three hundred twenty-three thousand, three hundred thirteen".