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1213033201 is a prime number
BaseRepresentation
bin100100001001101…
…0110101011110001
310010112112110201121
41020103112223301
54441014030301
6320211302241
742026416642
oct11023265361
93115473647
101213033201
115727a8886
1229a2aa981
13164408833
14b71636c9
15717623a1
hex484d6af1

1213033201 has 2 divisors, whose sum is σ = 1213033202. Its totient is φ = 1213033200.

The previous prime is 1213033121. The next prime is 1213033219. The reversal of 1213033201 is 1023303121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719526976 + 493506225 = 26824^2 + 22215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213033201 - 211 = 1213031153 is a prime.

It is a super-3 number, since 3×12130332013 (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1213433201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606516600 + 606516601.

It is an arithmetic number, because the mean of its divisors is an integer number (606516601).

Almost surely, 21213033201 is an apocalyptic number.

It is an amenable number.

1213033201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213033201 is an equidigital number, since it uses as much as digits as its factorization.

1213033201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1213033201 is about 34828.6261715848. The cubic root of 1213033201 is about 1066.4919030847.

Adding to 1213033201 its reverse (1023303121), we get a palindrome (2236336322).

The spelling of 1213033201 in words is "one billion, two hundred thirteen million, thirty-three thousand, two hundred one".