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231310132201 = 534364342117
BaseRepresentation
bin1101011101101100101…
…0001000001111101001
3211010001101211012101101
43113123022020033221
512242210343212301
6254132402521401
722466036453161
oct3273312101751
9733041735341
10231310132201
118a1095a2a15
12389b5366261
1318a73c59015
14b2a45275a1
15603c0e0701
hex35db2883e9

231310132201 has 4 divisors (see below), whose sum is σ = 235674474372. Its totient is φ = 226945790032.

The previous prime is 231310132199. The next prime is 231310132247. The reversal of 231310132201 is 102231013132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58914940176 + 172395192025 = 242724^2 + 415205^2 .

It is a cyclic number.

It is not a de Polignac number, because 231310132201 - 21 = 231310132199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231310132271) 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, 2182171006 + ... + 2182171111.

It is an arithmetic number, because the mean of its divisors is an integer number (58918618593).

Almost surely, 2231310132201 is an apocalyptic number.

It is an amenable number.

231310132201 is a deficient number, since it is larger than the sum of its proper divisors (4364342171).

231310132201 is an equidigital number, since it uses as much as digits as its factorization.

231310132201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364342170.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231310132201 its reverse (102231013132), we get a palindrome (333541145333).

The spelling of 231310132201 in words is "two hundred thirty-one billion, three hundred ten million, one hundred thirty-two thousand, two hundred one".

Divisors: 1 53 4364342117 231310132201