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11330031 = 33776677
BaseRepresentation
bin101011001110…
…000111101111
3210022121212210
4223032013233
510400030111
61042501503
7165206106
oct53160757
923277783
1011330031
116439469
123964893
13246907b
14170d03d
15edc0a6
hexace1ef

11330031 has 4 divisors (see below), whose sum is σ = 15106712. Its totient is φ = 7553352.

The previous prime is 11330021. The next prime is 11330047. The reversal of 11330031 is 13003311.

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

It is not a de Polignac number, because 11330031 - 29 = 11329519 is a prime.

It is a super-2 number, since 2×113300312 = 256739204921922, 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 = 11329989 and 11330016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888336 + ... + 1888341.

It is an arithmetic number, because the mean of its divisors is an integer number (3776678).

Almost surely, 211330031 is an apocalyptic number.

11330031 is a deficient number, since it is larger than the sum of its proper divisors (3776681).

11330031 is an equidigital number, since it uses as much as digits as its factorization.

11330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776680.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 11330031 is about 3366.0111408015. The cubic root of 11330031 is about 224.6003175986.

Adding to 11330031 its reverse (13003311), we get a palindrome (24333342).

The spelling of 11330031 in words is "eleven million, three hundred thirty thousand, thirty-one".

Divisors: 1 3 3776677 11330031