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1331044332 = 223537328669
BaseRepresentation
bin100111101010110…
…0001111111101100
310102202121001120020
41033111201333230
510211221404312
6340024522140
744661455502
oct11725417754
93382531506
101331044332
11623381342
12311920350
131829b73c7
14c8ac2672
157bcc378c
hex4f561fec

1331044332 has 48 divisors (see below), whose sum is σ = 3207828960. Its totient is φ = 429331968.

The previous prime is 1331044331. The next prime is 1331044333. The reversal of 1331044332 is 2334401331.

It is an interprime number because it is at equal distance from previous prime (1331044331) and next prime (1331044333).

It is not an unprimeable number, because it can be changed into a prime (1331044331) 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 15 ways as a sum of consecutive naturals, for example, 32094 + ... + 60762.

It is an arithmetic number, because the mean of its divisors is an integer number (66829770).

Almost surely, 21331044332 is an apocalyptic number.

1331044332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331044332 is an abundant number, since it is smaller than the sum of its proper divisors (1876784628).

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

1331044332 is a wasteful number, since it uses less digits than its factorization.

1331044332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28802 (or 28800 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1331044332 is about 36483.4802616198. The cubic root of 1331044332 is about 1100.0122125366.

Adding to 1331044332 its reverse (2334401331), we get a palindrome (3665445663).

The spelling of 1331044332 in words is "one billion, three hundred thirty-one million, forty-four thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 53 73 106 146 159 212 219 292 318 438 636 876 3869 7738 11607 15476 23214 28669 46428 57338 86007 114676 172014 344028 1519457 2092837 3038914 4185674 4558371 6077828 6278511 8371348 9116742 12557022 18233484 25114044 110920361 221840722 332761083 443681444 665522166 1331044332