133321212313 has 16 divisors (see below), whose sum is σ = 134661542400. Its totient is φ = 131987730816.

The previous prime is 133321212289. The next prime is 133321212319. The reversal of 133321212313 is 313212123331.

It is a cyclic number.

It is not a de Polignac number, because 133321212313 - 2²¹ = 133319115161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133321212319) 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, 93426906 + ... + 93428332.

It is an arithmetic number, because the mean of its divisors is an integer number (8416346400).

Almost surely, 2^133321212313 is an apocalyptic number.

It is an amenable number.

133321212313 is a deficient number, since it is larger than the sum of its proper divisors (1340330087).

133321212313 is a wasteful number, since it uses less digits than its factorization.

133321212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216.

The product of its digits is 1944, while the sum is 25.

Adding to 133321212313 its reverse (313212123331), we get a palindrome (446533335644).

The spelling of 133321212313 in words is "one hundred thirty-three billion, three hundred twenty-one million, two hundred twelve thousand, three hundred thirteen".