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12335103231 = 311979138177
BaseRepresentation
bin10110111110011101…
…01011110011111111
31011211122200011120020
423133032223303333
5200230241300411
65400000023223
7614450435043
oct133716536377
934748604506
1012335103231
11525a9316a0
122483001b13
131217703369
1485032c023
154c2db5606
hex2df3abcff

12335103231 has 16 divisors (see below), whose sum is σ = 17944270848. Its totient is φ = 7474860800.

The previous prime is 12335103217. The next prime is 12335103271. The reversal of 12335103231 is 13230153321.

It is not a de Polignac number, because 12335103231 - 29 = 12335102719 is a prime.

It is a super-2 number, since 2×123351032312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12335103271) 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, 304015 + ... + 342191.

It is an arithmetic number, because the mean of its divisors is an integer number (1121516928).

Almost surely, 212335103231 is an apocalyptic number.

12335103231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12335103231 is a deficient number, since it is larger than the sum of its proper divisors (5609167617).

12335103231 is a wasteful number, since it uses less digits than its factorization.

12335103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47982.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 12335103231 its reverse (13230153321), we get a palindrome (25565256552).

The spelling of 12335103231 in words is "twelve billion, three hundred thirty-five million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 3 11 33 9791 29373 38177 107701 114531 323103 419947 1259841 373791007 1121373021 4111701077 12335103231