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1110212311 = 136711292
BaseRepresentation
bin100001000101100…
…0111111011010111
32212101001121222111
41002023013323113
54233203243221
6302055411451
736340435405
oct10213077327
92771047874
101110212311
1151a75aa3a
1226b983b87
13149018080
14a763a475
1567701be1
hex422c7ed7

1110212311 has 12 divisors (see below), whose sum is σ = 1214533992. Its totient is φ = 1008621504.

The previous prime is 1110212291. The next prime is 1110212329. The reversal of 1110212311 is 1132120111.

It is a happy number.

It is not a de Polignac number, because 1110212311 - 29 = 1110211799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110212291 and 1110212300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110212011) 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 11 ways as a sum of consecutive naturals, for example, 982795 + ... + 983923.

It is an arithmetic number, because the mean of its divisors is an integer number (101211166).

Almost surely, 21110212311 is an apocalyptic number.

1110212311 is a deficient number, since it is larger than the sum of its proper divisors (104321681).

1110212311 is an frugal number, since it uses more digits than its factorization.

1110212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1110212311 is about 33319.8486040978. The cubic root of 1110212311 is about 1035.4648152207.

Adding to 1110212311 its reverse (1132120111), we get a palindrome (2242332422).

The spelling of 1110212311 in words is "one billion, one hundred ten million, two hundred twelve thousand, three hundred eleven".