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231304123103 is a prime number
BaseRepresentation
bin1101011101101011001…
…1001101001011011111
3211010000222111220110012
43113122303031023133
512242202323414403
6254132030033435
722465634415014
oct3273263151337
9733028456405
10231304123103
118a106169219
12389b334887b
1318a72933b41
14b2a380170b
15603b804ed8
hex35daccd2df

231304123103 has 2 divisors, whose sum is σ = 231304123104. Its totient is φ = 231304123102.

The previous prime is 231304123081. The next prime is 231304123109. The reversal of 231304123103 is 301321403132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231304123103 - 210 = 231304122079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231304123109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115652061551 + 115652061552.

It is an arithmetic number, because the mean of its divisors is an integer number (115652061552).

Almost surely, 2231304123103 is an apocalyptic number.

231304123103 is a deficient number, since it is larger than the sum of its proper divisors (1).

231304123103 is an equidigital number, since it uses as much as digits as its factorization.

231304123103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231304123103 its reverse (301321403132), we get a palindrome (532625526235).

The spelling of 231304123103 in words is "two hundred thirty-one billion, three hundred four million, one hundred twenty-three thousand, one hundred three".