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231303301100130 = 235721178711095981
BaseRepresentation
bin110100100101111001111111…
…000110001111001001100010
31010022222101020202021112100110
4310211321333012033021202
5220304133130040201010
62135535134122232150
766502053266412150
oct6445717706171142
91108871222245313
10231303301100130
11677781a7451a16
1221b38167655656
139c0aa666a153c
1441191d4b403d0
151bb1ae29ac120
hexd25e7f18f262

231303301100130 has 256 divisors, whose sum is σ = 638930984325120. Its totient is φ = 52495735219200.

The previous prime is 231303301100077. The next prime is 231303301100143. The reversal of 231303301100130 is 31001103303132.

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

It is a junction number, because it is equal to n+sod(n) for n = 231303301100097 and 231303301100106.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 38673011740 + ... + 38673017720.

It is an arithmetic number, because the mean of its divisors is an integer number (2495824157520).

Almost surely, 2231303301100130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231303301100130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319465492162560).

231303301100130 is an abundant number, since it is smaller than the sum of its proper divisors (407627683224990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231303301100130 is a wasteful number, since it uses less digits than its factorization.

231303301100130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 231303301100130 its reverse (31001103303132), we get a palindrome (262304404403262).

The spelling of 231303301100130 in words is "two hundred thirty-one trillion, three hundred three billion, three hundred one million, one hundred thousand, one hundred thirty".