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1330303131 = 32727203317
BaseRepresentation
bin100111101001010…
…1101000010011011
310102201012101211100
41033102231002123
510211024200011
6340001002443
744652250533
oct11722550233
93381171740
101330303131
11622a15483
12311623423
131827b7c21
14c896c4c3
157bbc8d56
hex4f4ad09b

1330303131 has 12 divisors (see below), whose sum is σ = 1924201552. Its totient is φ = 885644496.

The previous prime is 1330303099. The next prime is 1330303171. The reversal of 1330303131 is 1313030331.

1330303131 is a `hidden beast` number, since 1 + 330 + 303 + 1 + 31 = 666.

1330303131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1330303131 - 25 = 1330303099 is a prime.

It is a super-2 number, since 2×13303031312 = 3539412840696806322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330303171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95116 + ... + 108201.

Almost surely, 21330303131 is an apocalyptic number.

1330303131 is a deficient number, since it is larger than the sum of its proper divisors (593898421).

1330303131 is a wasteful number, since it uses less digits than its factorization.

1330303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204050 (or 204047 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1330303131 is about 36473.3208112450. The cubic root of 1330303131 is about 1099.8079915551.

Adding to 1330303131 its reverse (1313030331), we get a palindrome (2643333462).

It can be divided in two parts, 133030 and 3131, that added together give a square (136161 = 3692).

The spelling of 1330303131 in words is "one billion, three hundred thirty million, three hundred three thousand, one hundred thirty-one".

Divisors: 1 3 9 727 2181 6543 203317 609951 1829853 147811459 443434377 1330303131