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11002031 = 971011123
BaseRepresentation
bin101001111110…
…000010101111
3202200221221122
4221332002233
510304031111
61031451155
7162341615
oct51760257
922627848
1011002031
116234a97
123826abb
1323829a1
1416656b5
15e74cdb
hexa7e0af

11002031 has 8 divisors (see below), whose sum is σ = 11235504. Its totient is φ = 10771200.

The previous prime is 11002001. The next prime is 11002037. The reversal of 11002031 is 13020011.

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 11002031 - 26 = 11001967 is a prime.

It is a super-2 number, since 2×110020312 = 242089372249922, 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 (11002037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9236 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (1404438).

Almost surely, 211002031 is an apocalyptic number.

11002031 is a deficient number, since it is larger than the sum of its proper divisors (233473).

11002031 is a wasteful number, since it uses less digits than its factorization.

11002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 11002031 is about 3316.9309609939. The cubic root of 11002031 is about 222.4116958012.

Adding to 11002031 its reverse (13020011), we get a palindrome (24022042).

The spelling of 11002031 in words is "eleven million, two thousand, thirty-one".

Divisors: 1 97 101 1123 9797 108931 113423 11002031