20133003313 has 2 divisors, whose sum is σ = 20133003314. Its totient is φ = 20133003312.

The previous prime is 20133003283. The next prime is 20133003347. The reversal of 20133003313 is 31330033102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18694545984 + 1438457329 = 136728^2 + 37927^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133003313 - 2⁵ = 20133003281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133003713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066501656 + 10066501657.

It is an arithmetic number, because the mean of its divisors is an integer number (10066501657).

Almost surely, 2^20133003313 is an apocalyptic number.

It is an amenable number.

20133003313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133003313 is an equidigital number, since it uses as much as digits as its factorization.

20133003313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 20133003313 its reverse (31330033102), we get a palindrome (51463036415).

The spelling of 20133003313 in words is "twenty billion, one hundred thirty-three million, three thousand, three hundred thirteen".