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BaseRepresentation
bin1011110000100011010…
…0000000010010101001
3201022102111220222200101
42330020310000102221
511302204344011241
6232445215305401
720411012555146
oct2741064002251
9638374828611
10202011313321
1178744135714
123319921b261
1316084c27abc
149ac52833cd
1553c4d1de31
hex2f08d004a9

202011313321 has 2 divisors, whose sum is σ = 202011313322. Its totient is φ = 202011313320.

The previous prime is 202011313267. The next prime is 202011313381. The reversal of 202011313321 is 123313110202.

Adding to 202011313321 its reverse (123313110202), we get a palindrome (325324423523).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201950473321 + 60840000 = 449389^2 + 7800^2 .

It is a cyclic number.

It is not a de Polignac number, because 202011313321 - 215 = 202011280553 is a prime.

It is not a weakly prime, because it can be changed into another prime (202011313381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005656660 + 101005656661.

It is an arithmetic number, because the mean of its divisors is an integer number (101005656661).

Almost surely, 2202011313321 is an apocalyptic number.

It is an amenable number.

202011313321 is a deficient number, since it is larger than the sum of its proper divisors (1).

202011313321 is an equidigital number, since it uses as much as digits as its factorization.

202011313321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 202011313321 in words is "two hundred two billion, eleven million, three hundred thirteen thousand, three hundred twenty-one".