133312312021213 has 16 divisors (see below), whose sum is σ = 143920002688000. Its totient is φ = 122755043134080.

The previous prime is 133312312021211. The next prime is 133312312021267. The reversal of 133312312021213 is 312120213213331.

It is a cyclic number.

It is not a de Polignac number, because 133312312021213 - 2¹ = 133312312021211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312312021211) 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, 651756628 + ... + 651961138.

It is an arithmetic number, because the mean of its divisors is an integer number (8995000168000).

Almost surely, 2^{133312312021213} is an apocalyptic number.

133312312021213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133312312021213 is a deficient number, since it is larger than the sum of its proper divisors (10607690666787).

133312312021213 is a wasteful number, since it uses less digits than its factorization.

133312312021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327532.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 133312312021213 its reverse (312120213213331), we get a palindrome (445432525234544).

The spelling of 133312312021213 in words is "one hundred thirty-three trillion, three hundred twelve billion, three hundred twelve million, twenty-one thousand, two hundred thirteen".