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1331148932471 is a prime number
BaseRepresentation
bin10011010111101110101…
…010001100010101110111
311201020221001120011122202
4103113232222030111313
5133302143111314341
62455304341215115
7165113053143521
oct23275652142567
94636831504582
101331148932471
1147359a962196
12195b9b10149b
13986b0513727
14485dc42ca11
152495d84d79b
hex135eea8c577

1331148932471 has 2 divisors, whose sum is σ = 1331148932472. Its totient is φ = 1331148932470.

The previous prime is 1331148932461. The next prime is 1331148932479. The reversal of 1331148932471 is 1742398411331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1331148932471 is a prime.

It is a super-3 number, since 3×13311489324713 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331148932479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665574466235 + 665574466236.

It is an arithmetic number, because the mean of its divisors is an integer number (665574466236).

Almost surely, 21331148932471 is an apocalyptic number.

1331148932471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331148932471 is an equidigital number, since it uses as much as digits as its factorization.

1331148932471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The spelling of 1331148932471 in words is "one trillion, three hundred thirty-one billion, one hundred forty-eight million, nine hundred thirty-two thousand, four hundred seventy-one".