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11030231203 = 34931605247
BaseRepresentation
bin10100100010111001…
…11111100010100011
31001110201022210122121
422101130333202203
5140042214344303
65022304045111
7540224263315
oct122134774243
931421283577
1011030231203
114750306a62
12217a003797
13106a280934
14768cdd7b5
154485619bd
hex29173f8a3

11030231203 has 4 divisors (see below), whose sum is σ = 11061836800. Its totient is φ = 10998625608.

The previous prime is 11030231197. The next prime is 11030231257. The reversal of 11030231203 is 30213203011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30213203011 = 33918909821.

It is a cyclic number.

It is not a de Polignac number, because 11030231203 - 213 = 11030223011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11030231273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15802275 + ... + 15802972.

It is an arithmetic number, because the mean of its divisors is an integer number (2765459200).

Almost surely, 211030231203 is an apocalyptic number.

11030231203 is a deficient number, since it is larger than the sum of its proper divisors (31605597).

11030231203 is an equidigital number, since it uses as much as digits as its factorization.

11030231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31605596.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11030231203 its reverse (30213203011), we get a palindrome (41243434214).

The spelling of 11030231203 in words is "eleven billion, thirty million, two hundred thirty-one thousand, two hundred three".

Divisors: 1 349 31605247 11030231203