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1112331101 = 7158904443
BaseRepresentation
bin100001001001100…
…1101001101011101
32212112001021102012
41002103031031131
54234224043401
6302213041005
736364441550
oct10223151535
92775037365
101112331101
11520977902
12270626165
131495aa5ab
14a7a2c697
15679be8bb
hex424cd35d

1112331101 has 4 divisors (see below), whose sum is σ = 1271235552. Its totient is φ = 953426652.

The previous prime is 1112331091. The next prime is 1112331113. The reversal of 1112331101 is 1011332111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1011332111 = 2131474581.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112331101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112331001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79452215 + ... + 79452228.

It is an arithmetic number, because the mean of its divisors is an integer number (317808888).

Almost surely, 21112331101 is an apocalyptic number.

It is an amenable number.

1112331101 is a deficient number, since it is larger than the sum of its proper divisors (158904451).

1112331101 is an equidigital number, since it uses as much as digits as its factorization.

1112331101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158904450.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1112331101 is about 33351.6281611558. The cubic root of 1112331101 is about 1036.1231092180.

Adding to 1112331101 its reverse (1011332111), we get a palindrome (2123663212).

It can be divided in two parts, 11123 and 31101, that added together give a palindrome (42224).

The spelling of 1112331101 in words is "one billion, one hundred twelve million, three hundred thirty-one thousand, one hundred one".

Divisors: 1 7 158904443 1112331101