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1331340230441 = 13102410786957
BaseRepresentation
bin10011010111111010000…
…011111011111100101001
311201021102101112010010202
4103113322003323330221
5133303041044333231
62455335333321545
7165120565145534
oct23277203737451
94637371463122
101331340230441
11473688941191
121960331962b5
1398711041bb0
14486199c7a1b
15249705395cb
hex135fa0fbf29

1331340230441 has 4 divisors (see below), whose sum is σ = 1433751017412. Its totient is φ = 1228929443472.

The previous prime is 1331340230431. The next prime is 1331340230449. The reversal of 1331340230441 is 1440320431331.

It is a happy number.

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 142716972841 + 1188623257600 = 377779^2 + 1090240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1331340230441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331340230449) 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, 51205393466 + ... + 51205393491.

It is an arithmetic number, because the mean of its divisors is an integer number (358437754353).

Almost surely, 21331340230441 is an apocalyptic number.

It is an amenable number.

1331340230441 is a deficient number, since it is larger than the sum of its proper divisors (102410786971).

1331340230441 is a wasteful number, since it uses less digits than its factorization.

1331340230441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102410786970.

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

Adding to 1331340230441 its reverse (1440320431331), we get a palindrome (2771660661772).

The spelling of 1331340230441 in words is "one trillion, three hundred thirty-one billion, three hundred forty million, two hundred thirty thousand, four hundred forty-one".

Divisors: 1 13 102410786957 1331340230441