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1233101213 is a prime number
BaseRepresentation
bin100100101111111…
…1010000110011101
310011221022000212022
41021133322012131
510011133214323
6322205345525
742362121161
oct11137720635
93157260768
101233101213
11583065213
122a4b682a5
13168613bb6
14b9aa8ca1
15733c84c8
hex497fa19d

1233101213 has 2 divisors, whose sum is σ = 1233101214. Its totient is φ = 1233101212.

The previous prime is 1233101201. The next prime is 1233101227. The reversal of 1233101213 is 3121013321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231518649 + 1582564 = 35093^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233101213 - 210 = 1233100189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1233101191 and 1233101200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233101263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616550606 + 616550607.

It is an arithmetic number, because the mean of its divisors is an integer number (616550607).

Almost surely, 21233101213 is an apocalyptic number.

It is an amenable number.

1233101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233101213 is an equidigital number, since it uses as much as digits as its factorization.

1233101213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1233101213 is about 35115.5409042777. The cubic root of 1233101213 is about 1072.3409929759.

Adding to 1233101213 its reverse (3121013321), we get a palindrome (4354114534).

The spelling of 1233101213 in words is "one billion, two hundred thirty-three million, one hundred one thousand, two hundred thirteen".