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13331201441 = 104597127453
BaseRepresentation
bin11000110101001100…
…11111110110100001
31021102002000012102112
430122212133312201
5204300241421231
610042501525105
7651234225335
oct143246376641
937362005375
1013331201441
11572112aa58
122700713795
131345ba559c
149067417c5
1553057592b
hex31a99fda1

13331201441 has 4 divisors (see below), whose sum is σ = 13331433492. Its totient is φ = 13330969392.

The previous prime is 13331201413. The next prime is 13331201447. The reversal of 13331201441 is 14410213331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14410213331 = 76918738899.

It can be written as a sum of positive squares in 2 ways, for example, as 10363240000 + 2967961441 = 101800^2 + 54479^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331201441 - 222 = 13327007137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331201447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40871 + ... + 168323.

It is an arithmetic number, because the mean of its divisors is an integer number (3332858373).

Almost surely, 213331201441 is an apocalyptic number.

It is an amenable number.

13331201441 is a deficient number, since it is larger than the sum of its proper divisors (232051).

13331201441 is a wasteful number, since it uses less digits than its factorization.

13331201441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232050.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13331201441 its reverse (14410213331), we get a palindrome (27741414772).

The spelling of 13331201441 in words is "thirteen billion, three hundred thirty-one million, two hundred one thousand, four hundred forty-one".

Divisors: 1 104597 127453 13331201441