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113012102112231 = 37109277178237627
BaseRepresentation
bin11001101100100010101110…
…001100111010001111100111
3112211010211222201002001120010
4121230202232030322033213
5104303042241120042411
61040205013141341303
732542566146160660
oct3154425614721747
9484124881061503
10113012102112231
1133011188471a13
1210812604407833
134b09cc3168bca
141dc9b5a236367
15d0ea866477a6
hex66c8ae33a3e7

113012102112231 has 32 divisors (see below), whose sum is σ = 174416213255680. Its totient is φ = 63754885869696.

The previous prime is 113012102112229. The next prime is 113012102112233. The reversal of 113012102112231 is 132211201210311.

It is an interprime number because it is at equal distance from previous prime (113012102112229) and next prime (113012102112233).

It is not a de Polignac number, because 113012102112231 - 21 = 113012102112229 is a prime.

It is a super-2 number, since 2×1130121021122312 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113012102112198 and 113012102112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012102112233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88484761 + ... + 89752866.

It is an arithmetic number, because the mean of its divisors is an integer number (5450506664240).

Almost surely, 2113012102112231 is an apocalyptic number.

113012102112231 is a deficient number, since it is larger than the sum of its proper divisors (61404111143449).

113012102112231 is a wasteful number, since it uses less digits than its factorization.

113012102112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178238023.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 113012102112231 its reverse (132211201210311), we get a palindrome (245223303322542).

The spelling of 113012102112231 in words is "one hundred thirteen trillion, twelve billion, one hundred two million, one hundred twelve thousand, two hundred thirty-one".

Divisors: 1 3 7 21 109 277 327 763 831 1939 2289 5817 30193 90579 211351 634053 178237627 534712881 1247663389 3742990167 19427901343 49371822679 58283704029 135995309401 148115468037 345602758753 407985928203 1036808276259 5381528672011 16144586016033 37670700704077 113012102112231