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109306931 is a prime number
BaseRepresentation
bin1101000001111…
…10010000110011
321121200100220212
412200332100303
5210440310211
614502454335
72465044046
oct640762063
9247610825
10109306931
1156778a08
12307343ab
1319851a76
1410734c5d
1598e238b
hex683e433

109306931 has 2 divisors, whose sum is σ = 109306932. Its totient is φ = 109306930.

The previous prime is 109306927. The next prime is 109306969. The reversal of 109306931 is 139603901.

It is a weak prime.

It is an emirp because it is prime and its reverse (139603901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109306931 - 22 = 109306927 is a prime.

It is a super-2 number, since 2×1093069312 = 23896010329277522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109306921) 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, 54653465 + 54653466.

It is an arithmetic number, because the mean of its divisors is an integer number (54653466).

Almost surely, 2109306931 is an apocalyptic number.

109306931 is a deficient number, since it is larger than the sum of its proper divisors (1).

109306931 is an equidigital number, since it uses as much as digits as its factorization.

109306931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 109306931 is about 10454.9955045423. The cubic root of 109306931 is about 478.1335664861.

The spelling of 109306931 in words is "one hundred nine million, three hundred six thousand, nine hundred thirty-one".