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231441433021441 = 3158791269918809
BaseRepresentation
bin110100100111111010101000…
…011001101100110000000001
31010100110120210101212011220001
4310213322220121230300001
5220313414023323141231
62140122420532520001
766515043315361666
oct6447725031546001
91110416711764801
10231441433021441
1167820840302975
1221b5aa97780001
139c1aaab228316
144121b7a213a6d
151bb54c96c8b61
hexd27ea866cc01

231441433021441 has 8 divisors (see below), whose sum is σ = 238947923289600. Its totient is φ = 223937482602720.

The previous prime is 231441433021427. The next prime is 231441433021451. The reversal of 231441433021441 is 144120334144132.

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 231441433021441 - 215 = 231441432988673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231441433021441.

It is not an unprimeable number, because it can be changed into a prime (231441433021451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634777156 + ... + 635141653.

It is an arithmetic number, because the mean of its divisors is an integer number (29868490411200).

Almost surely, 2231441433021441 is an apocalyptic number.

It is an amenable number.

231441433021441 is a deficient number, since it is larger than the sum of its proper divisors (7506490268159).

231441433021441 is a wasteful number, since it uses less digits than its factorization.

231441433021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269924719.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 231441433021441 its reverse (144120334144132), we get a palindrome (375561767165573).

The spelling of 231441433021441 in words is "two hundred thirty-one trillion, four hundred forty-one billion, four hundred thirty-three million, twenty-one thousand, four hundred forty-one".

Divisors: 1 31 5879 182249 1269918809 39367483079 7465852678111 231441433021441