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231241121411 = 772132994847
BaseRepresentation
bin1101011101011100001…
…0110111111010000011
3211002212120222002101012
43113113002313322003
512242040211341121
6254121455431135
722464241046426
oct3272702677203
9732776862335
10231241121411
118a083648103
12389962254ab
1318a62875831
14b2992c19bd
15603600cc5b
hex35d70b7e83

231241121411 has 4 divisors (see below), whose sum is σ = 231244193472. Its totient is φ = 231238049352.

The previous prime is 231241121357. The next prime is 231241121429. The reversal of 231241121411 is 114121142132.

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

It is a cyclic number.

It is not a de Polignac number, because 231241121411 - 26 = 231241121347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231241123411) 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, 1420211 + ... + 1574636.

It is an arithmetic number, because the mean of its divisors is an integer number (57811048368).

Almost surely, 2231241121411 is an apocalyptic number.

231241121411 is a deficient number, since it is larger than the sum of its proper divisors (3072061).

231241121411 is an equidigital number, since it uses as much as digits as its factorization.

231241121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072060.

The product of its digits is 384, while the sum is 23.

Adding to 231241121411 its reverse (114121142132), we get a palindrome (345362263543).

The spelling of 231241121411 in words is "two hundred thirty-one billion, two hundred forty-one million, one hundred twenty-one thousand, four hundred eleven".

Divisors: 1 77213 2994847 231241121411