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109080431 is a prime number
BaseRepresentation
bin1101000000001…
…10111101101111
321121020212012222
412200012331233
5210411033211
614453545555
72463111515
oct640067557
9247225188
10109080431
1156633819
12306452bb
13197a2945
14106b64b5
15989a1db
hex6806f6f

109080431 has 2 divisors, whose sum is σ = 109080432. Its totient is φ = 109080430.

The previous prime is 109080341. The next prime is 109080443. The reversal of 109080431 is 134080901.

Together with previous prime (109080341) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109080431 is a prime.

It is a super-2 number, since 2×1090804312 = 23797080854291522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109080431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109080331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54540215 + 54540216.

It is an arithmetic number, because the mean of its divisors is an integer number (54540216).

Almost surely, 2109080431 is an apocalyptic number.

109080431 is a deficient number, since it is larger than the sum of its proper divisors (1).

109080431 is an equidigital number, since it uses as much as digits as its factorization.

109080431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 109080431 is about 10444.1577448830. The cubic root of 109080431 is about 477.8030838087.

The spelling of 109080431 in words is "one hundred nine million, eighty thousand, four hundred thirty-one".