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1331022342 = 231317064389
BaseRepresentation
bin100111101010101…
…1100101000000110
310102202112221101210
41033111130220012
510211220203332
6340024232250
744661334416
oct11725345006
93382487353
101331022342
11623366871
1231190b686
131829aa3b0
14c8ab8646
157bcbbecc
hex4f55ca06

1331022342 has 16 divisors (see below), whose sum is σ = 2866817520. Its totient is φ = 409545312.

The previous prime is 1331022331. The next prime is 1331022347. The reversal of 1331022342 is 2432201331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331022347) 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, 8532117 + ... + 8532272.

It is an arithmetic number, because the mean of its divisors is an integer number (179176095).

Almost surely, 21331022342 is an apocalyptic number.

1331022342 is an abundant number, since it is smaller than the sum of its proper divisors (1535795178).

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

1331022342 is a wasteful number, since it uses less digits than its factorization.

1331022342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17064407.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1331022342 is about 36483.1788910999. The cubic root of 1331022342 is about 1100.0061547865.

Adding to 1331022342 its reverse (2432201331), we get a palindrome (3763223673).

The spelling of 1331022342 in words is "one billion, three hundred thirty-one million, twenty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 17064389 34128778 51193167 102386334 221837057 443674114 665511171 1331022342