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11231202203 = 1347163112771
BaseRepresentation
bin10100111010110111…
…01000101110011011
31001222201111012000222
422131123220232123
5141000141432303
65054243350255
7545214433514
oct123533505633
931881435028
1011231202203
1148437a24a1
12221538238b
13109cab7ba0
14787895a0b
1545b00d938
hex29d6e8b9b

11231202203 has 16 divisors (see below), whose sum is σ = 12428376576. Its totient is φ = 10084344480.

The previous prime is 11231202163. The next prime is 11231202211. The reversal of 11231202203 is 30220213211.

It is a cyclic number.

It is not a de Polignac number, because 11231202203 - 26 = 11231202139 is a prime.

It is a super-2 number, since 2×112312022032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231202223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43208 + ... + 155978.

It is an arithmetic number, because the mean of its divisors is an integer number (776773536).

Almost surely, 211231202203 is an apocalyptic number.

11231202203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11231202203 is a deficient number, since it is larger than the sum of its proper divisors (1197174373).

11231202203 is a wasteful number, since it uses less digits than its factorization.

11231202203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112994.

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

Adding to 11231202203 its reverse (30220213211), we get a palindrome (41451415414).

The spelling of 11231202203 in words is "eleven billion, two hundred thirty-one million, two hundred two thousand, two hundred three".

Divisors: 1 13 47 163 611 2119 7661 99593 112771 1466023 5300237 18381673 68903081 238961749 863938631 11231202203