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11032431031 = 409161916661
BaseRepresentation
bin10100100011001010…
…11000100110110111
31001110212110120020201
422101211120212313
5140043300243111
65022423141331
7540252054646
oct122145304667
931425416221
1011032431031
1147515797a6
12217a8a4847
13106a870ccb
1476931335d
154488486c1
hex2919589b7

11032431031 has 8 divisors (see below), whose sum is σ = 11066900400. Its totient is φ = 10997999040.

The previous prime is 11032431023. The next prime is 11032431037. The reversal of 11032431031 is 13013423011.

11032431031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11032431031 - 23 = 11032431023 is a prime.

It is a super-2 number, since 2×110324310312 (a number of 21 digits) 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 (11032431037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653841 + ... + 670501.

It is an arithmetic number, because the mean of its divisors is an integer number (1383362550).

Almost surely, 211032431031 is an apocalyptic number.

11032431031 is a deficient number, since it is larger than the sum of its proper divisors (34469369).

11032431031 is a wasteful number, since it uses less digits than its factorization.

11032431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18689.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11032431031 its reverse (13013423011), we get a palindrome (24045854042).

The spelling of 11032431031 in words is "eleven billion, thirty-two million, four hundred thirty-one thousand, thirty-one".

Divisors: 1 409 1619 16661 662171 6814349 26974159 11032431031