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235131361 is a prime number
BaseRepresentation
bin11100000001111…
…01000111100001
3121101102220120221
432000331013201
5440143200421
635155403041
75553404113
oct1600750741
9541386527
10235131361
111107a8743
12668b3481
1339937aaa
14233293b3
1515998841
hexe03d1e1

235131361 has 2 divisors, whose sum is σ = 235131362. Its totient is φ = 235131360.

The previous prime is 235131349. The next prime is 235131371. The reversal of 235131361 is 163131532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205635600 + 29495761 = 14340^2 + 5431^2 .

It is a cyclic number.

It is not a de Polignac number, because 235131361 - 29 = 235130849 is a prime.

It is not a weakly prime, because it can be changed into another prime (235131371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117565680 + 117565681.

It is an arithmetic number, because the mean of its divisors is an integer number (117565681).

Almost surely, 2235131361 is an apocalyptic number.

It is an amenable number.

235131361 is a deficient number, since it is larger than the sum of its proper divisors (1).

235131361 is an equidigital number, since it uses as much as digits as its factorization.

235131361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 235131361 is about 15333.9936415795. The cubic root of 235131361 is about 617.2155407665.

Adding to 235131361 its reverse (163131532), we get a palindrome (398262893).

The spelling of 235131361 in words is "two hundred thirty-five million, one hundred thirty-one thousand, three hundred sixty-one".