20133312313 has 8 divisors (see below), whose sum is σ = 21331222560. Its totient is φ = 18936912960.

The previous prime is 20133312307. The next prime is 20133312373. The reversal of 20133312313 is 31321333102.

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 20133312313 - 2²¹ = 20131215161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133312373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350223 + ... + 403636.

It is an arithmetic number, because the mean of its divisors is an integer number (2666402820).

Almost surely, 2^20133312313 is an apocalyptic number.

It is an amenable number.

20133312313 is a deficient number, since it is larger than the sum of its proper divisors (1197910247).

20133312313 is a wasteful number, since it uses less digits than its factorization.

20133312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755447.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20133312313 its reverse (31321333102), we get a palindrome (51454645415).

The spelling of 20133312313 in words is "twenty billion, one hundred thirty-three million, three hundred twelve thousand, three hundred thirteen".