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213203331322 = 2106601665661
BaseRepresentation
bin1100011010001111101…
…0001010100011111010
3202101022111200102002121
43012203322022203322
511443120023100242
6241535543151454
721255243262222
oct3064372124372
9671274612077
10213203331322
11824677a4473
12353a144558a
1317149873567
14a467859082
15582c68c667
hex31a3e8a8fa

213203331322 has 4 divisors (see below), whose sum is σ = 319804996986. Its totient is φ = 106601665660.

The previous prime is 213203331317. The next prime is 213203331323. The reversal of 213203331322 is 223133302312.

213203331322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 181654111681 + 31549219641 = 426209^2 + 177621^2 .

It is not an unprimeable number, because it can be changed into a prime (213203331323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53300832829 + ... + 53300832832.

Almost surely, 2213203331322 is an apocalyptic number.

213203331322 is a deficient number, since it is larger than the sum of its proper divisors (106601665664).

213203331322 is a wasteful number, since it uses less digits than its factorization.

213203331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106601665663.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213203331322 its reverse (223133302312), we get a palindrome (436336633634).

The spelling of 213203331322 in words is "two hundred thirteen billion, two hundred three million, three hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 106601665661 213203331322