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23311312207 is a prime number
BaseRepresentation
bin10101101101011101…
…100110010101001111
32020011121100100122121
4111231131212111033
5340220143442312
614413054153411
71453450612231
oct255535462517
966147310577
1023311312207
11998269a987
124626ab2867
13227671ab81
1411b1da8251
15916805707
hex56d76654f

23311312207 has 2 divisors, whose sum is σ = 23311312208. Its totient is φ = 23311312206.

The previous prime is 23311312181. The next prime is 23311312223. The reversal of 23311312207 is 70221311332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23311312207 - 223 = 23302923599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311312247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655656103 + 11655656104.

It is an arithmetic number, because the mean of its divisors is an integer number (11655656104).

Almost surely, 223311312207 is an apocalyptic number.

23311312207 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311312207 is an equidigital number, since it uses as much as digits as its factorization.

23311312207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 23311312207 its reverse (70221311332), we get a palindrome (93532623539).

The spelling of 23311312207 in words is "twenty-three billion, three hundred eleven million, three hundred twelve thousand, two hundred seven".