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110111110102031 is a prime number
BaseRepresentation
bin11001000010010100111101…
…100110100111110000001111
3112102212112000120210210012012
4121002110331212213300033
5103413030023141231111
61030104202354531435
732123156646016223
oct3102247546476017
9472775016723165
10110111110102031
11320a29500753a5
121042432bb96b7b
13495958277816c
141d29598732783
15cae398ed948b
hex64253d9a7c0f

110111110102031 has 2 divisors, whose sum is σ = 110111110102032. Its totient is φ = 110111110102030.

The previous prime is 110111110102013. The next prime is 110111110102109. The reversal of 110111110102031 is 130201011111011.

Together with previous prime (110111110102013) 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 a de Polignac number, because none of the positive numbers 2k-110111110102031 is a prime.

It is a super-2 number, since 2×1101111101020312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110111110101997 and 110111110102015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110111113102031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055555051015 + 55055555051016.

It is an arithmetic number, because the mean of its divisors is an integer number (55055555051016).

Almost surely, 2110111110102031 is an apocalyptic number.

110111110102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

110111110102031 is an equidigital number, since it uses as much as digits as its factorization.

110111110102031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 110111110102031 its reverse (130201011111011), we get a palindrome (240312121213042).

The spelling of 110111110102031 in words is "one hundred ten trillion, one hundred eleven billion, one hundred ten million, one hundred two thousand, thirty-one".