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113044130431 = 234748165373
BaseRepresentation
bin110100101000111110…
…1001000101001111111
3101210210020110211021121
41221101331020221333
53323003244133211
6123533132011411
711111224153201
oct1512175105177
9353706424247
10113044130431
1143a3a512391
1219aaa300b67
13a87709300b
1456855d6771
152e194a7271
hex1a51f48a7f

113044130431 has 4 divisors (see below), whose sum is σ = 113092298152. Its totient is φ = 112995962712.

The previous prime is 113044130389. The next prime is 113044130447. The reversal of 113044130431 is 134031440311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113044130431 - 225 = 113010575999 is a prime.

It is a super-3 number, since 3×1130441304313 (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 = 113044130396 and 113044130405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113044130491) 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, 24080340 + ... + 24085033.

It is an arithmetic number, because the mean of its divisors is an integer number (28273074538).

Almost surely, 2113044130431 is an apocalyptic number.

113044130431 is a deficient number, since it is larger than the sum of its proper divisors (48167721).

113044130431 is an equidigital number, since it uses as much as digits as its factorization.

113044130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48167720.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 113044130431 its reverse (134031440311), we get a palindrome (247075570742).

The spelling of 113044130431 in words is "one hundred thirteen billion, forty-four million, one hundred thirty thousand, four hundred thirty-one".

Divisors: 1 2347 48165373 113044130431