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1331230014 = 232107691189
BaseRepresentation
bin100111101011000…
…1111010100111110
310102202221111021100
41033112033110332
510211243330024
6340032513530
744663161032
oct11726172476
93382844240
101331230014
116234988a4
123119ab8a6
13182a50a8a
14c8b301c2
157bd0d7c9
hex4f58f53e

1331230014 has 24 divisors (see below), whose sum is σ = 2911292280. Its totient is φ = 439595568.

The previous prime is 1331230013. The next prime is 1331230031. The reversal of 1331230014 is 4100321331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331230013) 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 11 ways as a sum of consecutive naturals, for example, 343669 + ... + 347520.

It is an arithmetic number, because the mean of its divisors is an integer number (121303845).

Almost surely, 21331230014 is an apocalyptic number.

1331230014 is an abundant number, since it is smaller than the sum of its proper divisors (1580062266).

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

1331230014 is a wasteful number, since it uses less digits than its factorization.

1331230014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691304 (or 691301 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1331230014 is about 36486.0249136570. The cubic root of 1331230014 is about 1100.0633610886.

Adding to 1331230014 its reverse (4100321331), we get a palindrome (5431551345).

The spelling of 1331230014 in words is "one billion, three hundred thirty-one million, two hundred thirty thousand, fourteen".

Divisors: 1 2 3 6 9 18 107 214 321 642 963 1926 691189 1382378 2073567 4147134 6220701 12441402 73957223 147914446 221871669 443743338 665615007 1331230014