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3131443304 = 2311199178817
BaseRepresentation
bin1011101010100110…
…0000100001101000
322002020100210122122
42322221200201220
522403122141204
61234421410412
7140412554213
oct27251404150
98066323578
103131443304
111367688780
12734869a08
133ab9b6c42
14219c6077a
15134daa0be
hexbaa60868

3131443304 has 32 divisors (see below), whose sum is σ = 6437448000. Its totient is φ = 1416222720.

The previous prime is 3131443303. The next prime is 3131443313. The reversal of 3131443304 is 4033441313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3131443303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71897 + ... + 106920.

It is an arithmetic number, because the mean of its divisors is an integer number (201170250).

Almost surely, 23131443304 is an apocalyptic number.

It is an amenable number.

3131443304 is an abundant number, since it is smaller than the sum of its proper divisors (3306004696).

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

3131443304 is a wasteful number, since it uses less digits than its factorization.

3131443304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179033 (or 179029 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3131443304 is about 55959.3004245050. The cubic root of 3131443304 is about 1463.0129971761.

Adding to 3131443304 its reverse (4033441313), we get a palindrome (7164884617).

The spelling of 3131443304 in words is "three billion, one hundred thirty-one million, four hundred forty-three thousand, three hundred four".

Divisors: 1 2 4 8 11 22 44 88 199 398 796 1592 2189 4378 8756 17512 178817 357634 715268 1430536 1966987 3933974 7867948 15735896 35584583 71169166 142338332 284676664 391430413 782860826 1565721652 3131443304