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11323031 = 19595949
BaseRepresentation
bin101011001100…
…011010010111
3210022021021112
4223030122113
510344314111
61042405235
7165146516
oct53143227
923267245
1011323031
116434185
12396081b
132465b25
14170a67d
15ed9e8b
hexacc697

11323031 has 4 divisors (see below), whose sum is σ = 11919000. Its totient is φ = 10727064.

The previous prime is 11323027. The next prime is 11323043. The reversal of 11323031 is 13032311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11323031 - 22 = 11323027 is a prime.

It is a super-2 number, since 2×113230312 = 256422062053922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322997 and 11323015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323001) 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 3 ways as a sum of consecutive naturals, for example, 297956 + ... + 297993.

It is an arithmetic number, because the mean of its divisors is an integer number (2979750).

Almost surely, 211323031 is an apocalyptic number.

11323031 is a deficient number, since it is larger than the sum of its proper divisors (595969).

11323031 is an equidigital number, since it uses as much as digits as its factorization.

11323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595968.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 11323031 is about 3364.9711737250. The cubic root of 11323031 is about 224.5540533498.

Adding to 11323031 its reverse (13032311), we get a palindrome (24355342).

The spelling of 11323031 in words is "eleven million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 19 595949 11323031