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111031230113 = 671657182539
BaseRepresentation
bin110011101100111111…
…0100001111010100001
3101121120221211220010222
41213121332201322201
53304342443330423
6123001304332425
711010312612146
oct1473176417241
9347527756128
10111031230113
11430a7264601
1219628174115
13a61604cc3b
1455341403cd
152d4c8e73c8
hex19d9fa1ea1

111031230113 has 4 divisors (see below), whose sum is σ = 112688412720. Its totient is φ = 109374047508.

The previous prime is 111031230091. The next prime is 111031230119. The reversal of 111031230113 is 311032130111.

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: 311032130111 = 937013319411.

It is a cyclic number.

It is not a de Polignac number, because 111031230113 - 218 = 111030967969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111031230091 and 111031230100.

It is not an unprimeable number, because it can be changed into a prime (111031230119) 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, 828591203 + ... + 828591336.

It is an arithmetic number, because the mean of its divisors is an integer number (28172103180).

Almost surely, 2111031230113 is an apocalyptic number.

It is an amenable number.

111031230113 is a deficient number, since it is larger than the sum of its proper divisors (1657182607).

111031230113 is an equidigital number, since it uses as much as digits as its factorization.

111031230113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657182606.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111031230113 its reverse (311032130111), we get a palindrome (422063360224).

The spelling of 111031230113 in words is "one hundred eleven billion, thirty-one million, two hundred thirty thousand, one hundred thirteen".

Divisors: 1 67 1657182539 111031230113