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231310130211 = 3225701125579
BaseRepresentation
bin1101011101101100101…
…0000111110000100011
3211010001101211002122200
43113123022013300203
512242210343131321
6254132402504243
722466036444316
oct3273312076043
9733041732580
10231310130211
118a1095a1476
12389b5365083
1318a73c58144
14b2a452697d
15603c0ded26
hex35db287c23

231310130211 has 6 divisors (see below), whose sum is σ = 334114632540. Its totient is φ = 154206753468.

The previous prime is 231310130189. The next prime is 231310130221. The reversal of 231310130211 is 112031013132.

231310130211 is a `hidden beast` number, since 2 + 313 + 10 + 130 + 211 = 666.

It is not a de Polignac number, because 231310130211 - 230 = 230236388387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231310130221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12850562781 + ... + 12850562798.

It is an arithmetic number, because the mean of its divisors is an integer number (55685772090).

Almost surely, 2231310130211 is an apocalyptic number.

231310130211 is a deficient number, since it is larger than the sum of its proper divisors (102804502329).

231310130211 is a wasteful number, since it uses less digits than its factorization.

231310130211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25701125585 (or 25701125582 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231310130211 its reverse (112031013132), we get a palindrome (343341143343).

The spelling of 231310130211 in words is "two hundred thirty-one billion, three hundred ten million, one hundred thirty thousand, two hundred eleven".

Divisors: 1 3 9 25701125579 77103376737 231310130211