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112031003131 = 294122298119
BaseRepresentation
bin110100001010110010…
…0010111000111111011
3101201011122002121220021
41220111210113013323
53313414414100011
6123244421111311
711044142546245
oct1502544270773
9351148077807
10112031003131
114356a6428a3
1219866b58537
13a74520a9c8
1455cac2d095
152daa581471
hex1a159171fb

112031003131 has 12 divisors (see below), whose sum is σ = 118789822800. Its totient is φ = 105529578560.

The previous prime is 112031003129. The next prime is 112031003179. The reversal of 112031003131 is 131300130211.

It is not a de Polignac number, because 112031003131 - 21 = 112031003129 is a prime.

It is a super-2 number, since 2×1120310031312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112031003101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1100311 + ... + 1197808.

It is an arithmetic number, because the mean of its divisors is an integer number (9899151900).

Almost surely, 2112031003131 is an apocalyptic number.

112031003131 is a deficient number, since it is larger than the sum of its proper divisors (6758819669).

112031003131 is an equidigital number, since it uses as much as digits as its factorization.

112031003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298230 (or 2298189 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 112031003131 its reverse (131300130211), we get a palindrome (243331133342).

The spelling of 112031003131 in words is "one hundred twelve billion, thirty-one million, three thousand, one hundred thirty-one".

Divisors: 1 29 41 1189 1681 48749 2298119 66645451 94222879 2732463491 3863138039 112031003131