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201222331033 = 311936450881
BaseRepresentation
bin1011101101100111001…
…0010001101010011001
3201020101112022112110011
42323121302101222121
511244100404043113
6232235032521521
720352322410223
oct2733162215231
9636345275404
10201222331033
117837983a639
1232bb8b502a1
1315c8a631a89
149a4c585413
15537a92163d
hex2ed9c91a99

201222331033 has 4 divisors (see below), whose sum is σ = 201228813108. Its totient is φ = 201215848960.

The previous prime is 201222331027. The next prime is 201222331039. The reversal of 201222331033 is 330133222102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330133222102 = 2165066611051.

It is an interprime number because it is at equal distance from previous prime (201222331027) and next prime (201222331039).

It can be written as a sum of positive squares in 2 ways, for example, as 83849626624 + 117372704409 = 289568^2 + 342597^2 .

It is a cyclic number.

It is not a de Polignac number, because 201222331033 - 29 = 201222330521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201222330995 and 201222331013.

It is not an unprimeable number, because it can be changed into a prime (201222331039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3194248 + ... + 3256633.

It is an arithmetic number, because the mean of its divisors is an integer number (50307203277).

Almost surely, 2201222331033 is an apocalyptic number.

It is an amenable number.

201222331033 is a deficient number, since it is larger than the sum of its proper divisors (6482075).

201222331033 is an equidigital number, since it uses as much as digits as its factorization.

201222331033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482074.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 201222331033 its reverse (330133222102), we get a palindrome (531355553135).

The spelling of 201222331033 in words is "two hundred one billion, two hundred twenty-two million, three hundred thirty-one thousand, thirty-three".

Divisors: 1 31193 6450881 201222331033