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231301230112 = 2515434684487
BaseRepresentation
bin1101011101101010100…
…0001010111000100000
3211010000210001221000101
43113122220022320200
512242201103330422
6254131444032144
722465601005441
oct3273250127040
9733023057011
10231301230112
118a104572717
12389b2392654
1318a72160104
14b2a328b2c8
15603b432c27
hex35daa0ae20

231301230112 has 24 divisors (see below), whose sum is σ = 455669516736. Its totient is φ = 115575638592.

The previous prime is 231301230103. The next prime is 231301230113. The reversal of 231301230112 is 211032103132.

Adding to 231301230112 its reverse (211032103132), we get a palindrome (442333333244).

It is a self number, because there is not a number n which added to its sum of digits gives 231301230112.

It is not an unprimeable number, because it can be changed into a prime (231301230113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292868 + ... + 2391619.

It is an arithmetic number, because the mean of its divisors is an integer number (18986229864).

Almost surely, 2231301230112 is an apocalyptic number.

It is an amenable number.

231301230112 is a deficient number, since it is larger than the sum of its proper divisors (224368286624).

231301230112 is a wasteful number, since it uses less digits than its factorization.

231301230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686040 (or 4686032 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 231301230112 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 1543 3086 6172 12344 24688 49376 4684487 9368974 18737948 37475896 74951792 149903584 7228163441 14456326882 28912653764 57825307528 115650615056 231301230112