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11003102231 = 111735781977
BaseRepresentation
bin10100011111101011…
…00000010000010111
31001101211021111200212
422033311200100113
5140013243232411
65015454400035
7536444553152
oct121765402027
931354244625
1011003102231
114736a67620
122170b0001b
1310647726a4
1476547ac99
15445ea368b
hex28fd60417

11003102231 has 8 divisors (see below), whose sum is σ = 12072770064. Its totient is φ = 9944998720.

The previous prime is 11003102207. The next prime is 11003102233. The reversal of 11003102231 is 13220130011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11003102231 is a prime.

It is a super-2 number, since 2×110031022312 (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 (11003102233) 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, 2889086 + ... + 2892891.

It is an arithmetic number, because the mean of its divisors is an integer number (1509096258).

Almost surely, 211003102231 is an apocalyptic number.

11003102231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11003102231 is a deficient number, since it is larger than the sum of its proper divisors (1069667833).

11003102231 is a wasteful number, since it uses less digits than its factorization.

11003102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782161.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11003102231 its reverse (13220130011), we get a palindrome (24223232242).

The spelling of 11003102231 in words is "eleven billion, three million, one hundred two thousand, two hundred thirty-one".

Divisors: 1 11 173 1903 5781977 63601747 1000282021 11003102231