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1331030144551 = 47911717237157
BaseRepresentation
bin10011010111100111100…
…101000011011000100111
311201020121210001010021011
4103113213211003120213
5133301422204111201
62455244455203051
7165110111361202
oct23274745033047
94636553033234
101331030144551
114735398a9058
12195b67376487
1398691a22413
14485ca74a939
15249531d7151
hex135e7943627

1331030144551 has 8 divisors (see below), whose sum is σ = 1333928373120. Its totient is φ = 1328132414688.

The previous prime is 1331030144533. The next prime is 1331030144557. The reversal of 1331030144551 is 1554410301331.

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 1331030144551 - 217 = 1331030013479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331030144557) 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, 5493865 + ... + 5731021.

It is an arithmetic number, because the mean of its divisors is an integer number (166741046640).

Almost surely, 21331030144551 is an apocalyptic number.

1331030144551 is a deficient number, since it is larger than the sum of its proper divisors (2898228569).

1331030144551 is a wasteful number, since it uses less digits than its factorization.

1331030144551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249353.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1331030144551 its reverse (1554410301331), we get a palindrome (2885440445882).

The spelling of 1331030144551 in words is "one trillion, three hundred thirty-one billion, thirty million, one hundred forty-four thousand, five hundred fifty-one".

Divisors: 1 479 11717 237157 5612443 113598203 2778768569 1331030144551