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11231110103 = 67167628509
BaseRepresentation
bin10100111010110110…
…10010001111010111
31001222201022111200212
422131123102033113
5141000131010403
65054241400035
7545213601143
oct123533221727
931881274625
1011231110103
11484373a284
12221533901b
13109ca84ca5
14787870223
1545aee14d8
hex29d6d23d7

11231110103 has 4 divisors (see below), whose sum is σ = 11398738680. Its totient is φ = 11063481528.

The previous prime is 11231110097. The next prime is 11231110109. The reversal of 11231110103 is 30101113211.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (11231110097) and next prime (11231110109).

It is a cyclic number.

It is not a de Polignac number, because 11231110103 - 24 = 11231110087 is a prime.

It is a super-3 number, since 3×112311101033 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231110109) 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, 83814188 + ... + 83814321.

It is an arithmetic number, because the mean of its divisors is an integer number (2849684670).

Almost surely, 211231110103 is an apocalyptic number.

11231110103 is a deficient number, since it is larger than the sum of its proper divisors (167628577).

11231110103 is an equidigital number, since it uses as much as digits as its factorization.

11231110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167628576.

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

Adding to 11231110103 its reverse (30101113211), we get a palindrome (41332223314).

The spelling of 11231110103 in words is "eleven billion, two hundred thirty-one million, one hundred ten thousand, one hundred three".

Divisors: 1 67 167628509 11231110103