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11330631 = 3313191699
BaseRepresentation
bin101011001110…
…010001000111
3210022122201000
4223032101013
510400040011
61042504343
7165210624
oct53162107
923278630
1011330631
116439964
1239650b3
132469420
14170d34b
15edc356
hexace447

11330631 has 32 divisors (see below), whose sum is σ = 19040000. Its totient is φ = 6601824.

The previous prime is 11330617. The next prime is 11330639. The reversal of 11330631 is 13603311.

11330631 is a `hidden beast` number, since 1 + 1 + 3 + 30 + 631 = 666.

11330631 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11330631 - 29 = 11330119 is a prime.

It is a super-2 number, since 2×113306312 = 256766397716322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5820 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (595000).

Almost surely, 211330631 is an apocalyptic number.

11330631 is a deficient number, since it is larger than the sum of its proper divisors (7709369).

11330631 is a wasteful number, since it uses less digits than its factorization.

11330631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1734 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 11330631 is about 3366.1002658863. The cubic root of 11330631 is about 224.6042822188.

Adding to 11330631 its reverse (13603311), we get a palindrome (24933942).

The spelling of 11330631 in words is "eleven million, three hundred thirty thousand, six hundred thirty-one".

Divisors: 1 3 9 13 19 27 39 57 117 171 247 351 513 741 1699 2223 5097 6669 15291 22087 32281 45873 66261 96843 198783 290529 419653 596349 871587 1258959 3776877 11330631