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BaseRepresentation
bin10101000100101000…
…01000111100101001
31002012102122012101202
422202110020330221
5141132124414423
65110331253545
7550230650135
oct124224107451
932172565352
1011313123113
114885a65926
1222388aa2b5
1310b3a6b6b6
147946dc3c5
154632e1728
hex2a2508f29

11313123113 has 4 divisors (see below), whose sum is σ = 11385181380. Its totient is φ = 11241064848.

The previous prime is 11313123103. The next prime is 11313123119. The reversal of 11313123113 is 31132131311.

Adding to 11313123113 its reverse (31132131311), we get a palindrome (42445254424).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31132131311 = 36931842981.

It can be written as a sum of positive squares in 2 ways, for example, as 3297860329 + 8015262784 = 57427^2 + 89528^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313123113 - 214 = 11313106729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313123119) 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, 36028898 + ... + 36029211.

It is an arithmetic number, because the mean of its divisors is an integer number (2846295345).

Almost surely, 211313123113 is an apocalyptic number.

It is an amenable number.

11313123113 is a deficient number, since it is larger than the sum of its proper divisors (72058267).

11313123113 is an equidigital number, since it uses as much as digits as its factorization.

11313123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72058266.

The product of its digits is 162, while the sum is 20.

The spelling of 11313123113 in words is "eleven billion, three hundred thirteen million, one hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 157 72058109 11313123113