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111103131023 = 532398771069
BaseRepresentation
bin110011101111001000…
…0110011110110001111
3101121202222010211122122
41213132100303312033
53310014400143043
6123012353403155
711012145013613
oct1473620636617
9347688124578
10111103131023
1143133903845
12196482694bb
13a627c05a61
14553d8d9343
152d53d9b368
hex19de433d8f

111103131023 has 8 divisors (see below), whose sum is σ = 113673067200. Its totient is φ = 108550737568.

The previous prime is 111103130987. The next prime is 111103131031. The reversal of 111103131023 is 320131301111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111103131023 - 218 = 111102868879 is a prime.

It is a super-3 number, since 3×1111031310233 (a number of 34 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 junction number, because it is equal to n+sod(n) for n = 111103130992 and 111103131010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103131053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4372868 + ... + 4398201.

It is an arithmetic number, because the mean of its divisors is an integer number (14209133400).

Almost surely, 2111103131023 is an apocalyptic number.

111103131023 is a deficient number, since it is larger than the sum of its proper divisors (2569936177).

111103131023 is an equidigital number, since it uses as much as digits as its factorization.

111103131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771361.

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

Adding to 111103131023 its reverse (320131301111), we get a palindrome (431234432134).

The spelling of 111103131023 in words is "one hundred eleven billion, one hundred three million, one hundred thirty-one thousand, twenty-three".

Divisors: 1 53 239 12667 8771069 464866657 2096285491 111103131023