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12031030203 = 317235902553
BaseRepresentation
bin10110011010001101…
…01111001110111011
31011001110111122210020
423031012233032323
5144114420431303
65305454421523
7604066032543
oct131506571673
934043448706
1012031030203
115114226075
1223b92018a3
13119970a6aa
14821bb8323
154a634ea53
hex2cd1af3bb

12031030203 has 8 divisors (see below), whose sum is σ = 16984983888. Its totient is φ = 7548881664.

The previous prime is 12031030177. The next prime is 12031030241. The reversal of 12031030203 is 30203013021.

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

It is not a de Polignac number, because 12031030203 - 26 = 12031030139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12031030903) 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, 117951226 + ... + 117951327.

It is an arithmetic number, because the mean of its divisors is an integer number (2123122986).

Almost surely, 212031030203 is an apocalyptic number.

12031030203 is a deficient number, since it is larger than the sum of its proper divisors (4953953685).

12031030203 is a wasteful number, since it uses less digits than its factorization.

12031030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235902573.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12031030203 its reverse (30203013021), we get a palindrome (42234043224).

The spelling of 12031030203 in words is "twelve billion, thirty-one million, thirty thousand, two hundred three".

Divisors: 1 3 17 51 235902553 707707659 4010343401 12031030203