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1105232131 is a prime number
BaseRepresentation
bin100000111100000…
…1000000100000011
32212000200121110101
41001320020010003
54230414412011
6301400543231
736250214053
oct10170100403
92760617411
101105232131
11517969293
1226a181b17
13147c93313
14a6b01563
156706b2c1
hex41e08103

1105232131 has 2 divisors, whose sum is σ = 1105232132. Its totient is φ = 1105232130.

The previous prime is 1105232113. The next prime is 1105232159. The reversal of 1105232131 is 1312325011.

Together with previous prime (1105232113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105232131 - 27 = 1105232003 is a prime.

It is a super-2 number, since 2×11052321312 = 2443076126789602322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105232099 and 1105232108.

It is not a weakly prime, because it can be changed into another prime (1105233131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552616065 + 552616066.

It is an arithmetic number, because the mean of its divisors is an integer number (552616066).

Almost surely, 21105232131 is an apocalyptic number.

1105232131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105232131 is an equidigital number, since it uses as much as digits as its factorization.

1105232131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1105232131 is about 33245.0316739208. The cubic root of 1105232131 is about 1033.9142015339.

Adding to 1105232131 its reverse (1312325011), we get a palindrome (2417557142).

The spelling of 1105232131 in words is "one billion, one hundred five million, two hundred thirty-two thousand, one hundred thirty-one".