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13131230201230 = 251313123020123
BaseRepresentation
bin1011111100010101101001…
…0011111100010110001110
31201111100000000021110201211
42333011122103330112032
53210120224412414410
643532223123125034
72523462061041301
oct277053223742616
951440000243654
1013131230201230
114202a18133259
121580b0651377a
13743367699b6b
143357aaa42b38
1517b8904ee68a
hexbf15a4fc58e

13131230201230 has 8 divisors (see below), whose sum is σ = 23636214362232. Its totient is φ = 5252492080488.

The previous prime is 13131230201207. The next prime is 13131230201237. The reversal of 13131230201230 is 3210203213131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131230201237) 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, 656561510052 + ... + 656561510071.

It is an arithmetic number, because the mean of its divisors is an integer number (2954526795279).

Almost surely, 213131230201230 is an apocalyptic number.

13131230201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131230201230 is a deficient number, since it is larger than the sum of its proper divisors (10504984161002).

13131230201230 is a wasteful number, since it uses less digits than its factorization.

13131230201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313123020130.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13131230201230 its reverse (3210203213131), we get a palindrome (16341433414361).

The spelling of 13131230201230 in words is "thirteen trillion, one hundred thirty-one billion, two hundred thirty million, two hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 1313123020123 2626246040246 6565615100615 13131230201230