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231313441330330 = 25971121321267053
BaseRepresentation
bin110100100110000011011011…
…100000001001010010011010
31010100000100102102220121010221
4310212003123200021102122
5220304314411440032310
62135543532234430254
766502562466063412
oct6446033340112232
91110010372817127
10231313441330330
1167781530335a57
1221b3a11759238a
139c0b9c1449a58
1441198b7767642
151bb1ed7d19ada
hexd260db80949a

231313441330330 has 32 divisors (see below), whose sum is σ = 420694143632784. Its totient is φ = 91563335817216.

The previous prime is 231313441330289. The next prime is 231313441330339. The reversal of 231313441330330 is 33033144313132.

It can be written as a sum of positive squares in 8 ways, for example, as 4249258645129 + 227064182685201 = 2061373^2 + 15068649^2 .

It is not an unprimeable number, because it can be changed into a prime (231313441330339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243084 + ... + 21510136.

Almost surely, 2231313441330330 is an apocalyptic number.

231313441330330 is a deficient number, since it is larger than the sum of its proper divisors (189380702302454).

231313441330330 is a wasteful number, since it uses less digits than its factorization.

231313441330330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21278370.

The product of its (nonzero) digits is 69984, while the sum is 34.

Adding to 231313441330330 its reverse (33033144313132), we get a palindrome (264346585643462).

The spelling of 231313441330330 in words is "two hundred thirty-one trillion, three hundred thirteen billion, four hundred forty-one million, three hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 11213 22426 56065 112130 1087661 2175322 5438305 10876610 21267053 42534106 106335265 212670530 2062904141 4125808282 10314520705 20629041410 238467465289 476934930578 1192337326445 2384674652890 23131344133033 46262688266066 115656720665165 231313441330330