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110103120031 = 211352107487
BaseRepresentation
bin110011010001010101…
…0000100100010011111
3101112012021110000110111
41212202222010202133
53300442344320111
6122325231550451
710645313035642
oct1464252044237
9345167400414
10110103120031
1142770382783
121940938b427
13a4c8993888
145486b87a59
152ce61b6a21
hex19a2a8489f

110103120031 has 4 divisors (see below), whose sum is σ = 110155229632. Its totient is φ = 110051010432.

The previous prime is 110103120013. The next prime is 110103120047. The reversal of 110103120031 is 130021301011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110103120031 - 221 = 110101022879 is a prime.

It is a super-2 number, since 2×1101031200312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110103119993 and 110103120020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110103120931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26051631 + ... + 26055856.

It is an arithmetic number, because the mean of its divisors is an integer number (27538807408).

Almost surely, 2110103120031 is an apocalyptic number.

110103120031 is a deficient number, since it is larger than the sum of its proper divisors (52109601).

110103120031 is an equidigital number, since it uses as much as digits as its factorization.

110103120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52109600.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 110103120031 its reverse (130021301011), we get a palindrome (240124421042).

The spelling of 110103120031 in words is "one hundred ten billion, one hundred three million, one hundred twenty thousand, thirty-one".

Divisors: 1 2113 52107487 110103120031