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11231300111 = 22749477093
BaseRepresentation
bin10100111010111000…
…00000101000001111
31001222201200011100012
422131130000220033
5141000203100421
65054245423435
7545215322123
oct123534005017
931881604305
1011231300111
11484385a009
12221540ab7b
13109cb20615
147878bd583
1545b02c95b
hex29d700a0f

11231300111 has 4 divisors (see below), whose sum is σ = 11280777432. Its totient is φ = 11181822792.

The previous prime is 11231300107. The next prime is 11231300123. The reversal of 11231300111 is 11100313211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11100313211 = 13853870247.

It is a cyclic number.

It is not a de Polignac number, because 11231300111 - 22 = 11231300107 is a prime.

It is a super-2 number, since 2×112313001112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231300011) 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, 24738320 + ... + 24738773.

It is an arithmetic number, because the mean of its divisors is an integer number (2820194358).

Almost surely, 211231300111 is an apocalyptic number.

11231300111 is a deficient number, since it is larger than the sum of its proper divisors (49477321).

11231300111 is an equidigital number, since it uses as much as digits as its factorization.

11231300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49477320.

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

Adding to 11231300111 its reverse (11100313211), we get a palindrome (22331613322).

The spelling of 11231300111 in words is "eleven billion, two hundred thirty-one million, three hundred thousand, one hundred eleven".

Divisors: 1 227 49477093 11231300111