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11040430031 = 231812652037
BaseRepresentation
bin10100100100000111…
…11001011111001111
31001111102111221210222
422102003321133033
5140102322230111
65023310421555
7540410051441
oct122203713717
931442457728
1011040430031
114756042544
1221815018bb
13106c411b47
1476a3d6491
154493c87db
hex2920f97cf

11040430031 has 8 divisors (see below), whose sum is σ = 11584101984. Its totient is φ = 10502062560.

The previous prime is 11040429989. The next prime is 11040430067. The reversal of 11040430031 is 13003404011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11040430031 - 214 = 11040413647 is a prime.

It is a super-2 number, since 2×110404300312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11040429991 and 11040430009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040432031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321856 + ... + 1330181.

It is an arithmetic number, because the mean of its divisors is an integer number (1448012748).

Almost surely, 211040430031 is an apocalyptic number.

11040430031 is a deficient number, since it is larger than the sum of its proper divisors (543671953).

11040430031 is a wasteful number, since it uses less digits than its factorization.

11040430031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652241.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11040430031 its reverse (13003404011), we get a palindrome (24043834042).

The spelling of 11040430031 in words is "eleven billion, forty million, four hundred thirty thousand, thirty-one".

Divisors: 1 23 181 4163 2652037 60996851 480018697 11040430031