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231243312341 = 12718110059743
BaseRepresentation
bin1101011101011100101…
…1001110110011010101
3211002212202002101202202
43113113023032303111
512242041241443331
6254122014414245
722464265503116
oct3272713166325
9732782071682
10231243312341
118a084904198
1238996b01385
1318a63161b42
14b2996d220d
1560362e1ecb
hex35d72cecd5

231243312341 has 8 divisors (see below), whose sum is σ = 234351796224. Its totient is φ = 228154948560.

The previous prime is 231243312317. The next prime is 231243312397. The reversal of 231243312341 is 143213342132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231243312341 - 234 = 214063443157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231243312941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5006885 + ... + 5052858.

It is an arithmetic number, because the mean of its divisors is an integer number (29293974528).

Almost surely, 2231243312341 is an apocalyptic number.

It is an amenable number.

231243312341 is a deficient number, since it is larger than the sum of its proper divisors (3108483883).

231243312341 is a wasteful number, since it uses less digits than its factorization.

231243312341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060051.

The product of its digits is 10368, while the sum is 29.

Adding to 231243312341 its reverse (143213342132), we get a palindrome (374456654473).

The spelling of 231243312341 in words is "two hundred thirty-one billion, two hundred forty-three million, three hundred twelve thousand, three hundred forty-one".

Divisors: 1 127 181 22987 10059743 1277587361 1820813483 231243312341