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1331310233112 = 23355471259713
BaseRepresentation
bin10011010111111000010…
…001100000011000011000
311201021100022002002112120
4103113320101200120120
5133303010404424422
62455332342341240
7165120052161006
oct23277021403030
94637308062476
101331310233112
11473672a12802
1219602512a820
1398707a6b1b2
1448615a19a76
152496cab145c
hex135f8460618

1331310233112 has 16 divisors (see below), whose sum is σ = 3328275582840. Its totient is φ = 443770077696.

The previous prime is 1331310233111. The next prime is 1331310233119. The reversal of 1331310233112 is 2113320131331.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 55471259713 = 1331310233112 / (1 + 3 + 3 + 1 + 3 + 1 + 0 + 2 + 3 + 3 + 1 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331310233111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27735629833 + ... + 27735629880.

Almost surely, 21331310233112 is an apocalyptic number.

1331310233112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331310233112 is an abundant number, since it is smaller than the sum of its proper divisors (1996965349728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331310233112 is a wasteful number, since it uses less digits than its factorization.

1331310233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55471259722 (or 55471259718 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1331310233112 its reverse (2113320131331), we get a palindrome (3444630364443).

The spelling of 1331310233112 in words is "one trillion, three hundred thirty-one billion, three hundred ten million, two hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 55471259713 110942519426 166413779139 221885038852 332827558278 443770077704 665655116556 1331310233112