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231113107 is a prime number
BaseRepresentation
bin11011100011010…
…00000110010011
3121002212202120201
431301220012103
5433131104412
634533320031
75504300101
oct1561500623
9532782521
10231113107
11109503775
1265496017
1338b5bb24
14229a0c71
1515452e57
hexdc68193

231113107 has 2 divisors, whose sum is σ = 231113108. Its totient is φ = 231113106.

The previous prime is 231113101. The next prime is 231113117. The reversal of 231113107 is 701311132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231113107 - 223 = 222724499 is a prime.

It is not a weakly prime, because it can be changed into another prime (231113101) 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, 115556553 + 115556554.

It is an arithmetic number, because the mean of its divisors is an integer number (115556554).

Almost surely, 2231113107 is an apocalyptic number.

231113107 is a deficient number, since it is larger than the sum of its proper divisors (1).

231113107 is an equidigital number, since it uses as much as digits as its factorization.

231113107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 231113107 is about 15202.4046453185. The cubic root of 231113107 is about 613.6793720810.

Adding to 231113107 its reverse (701311132), we get a palindrome (932424239).

The spelling of 231113107 in words is "two hundred thirty-one million, one hundred thirteen thousand, one hundred seven".