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230131131120120 = 23351917759426001
BaseRepresentation
bin110100010100110110010100…
…010100100111100111111000
31010011211022200012122220210010
4310110312110110213213320
5220130432024031320440
62133240440535421520
766321265651106466
oct6424662424474770
91104738605586703
10230131131120120
116736607901384a
1221988b562248a0
139b54370a2b3a9
1440b8598799836
151b9138b15d580
hexd14d945279f8

230131131120120 has 32 divisors (see below), whose sum is σ = 690393393360720. Its totient is φ = 61368301632000.

The previous prime is 230131131120089. The next prime is 230131131120197. The reversal of 230131131120120 is 21021131131032.

230131131120120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958879712881 + ... + 958879713120.

Almost surely, 2230131131120120 is an apocalyptic number.

230131131120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230131131120120 is an abundant number, since it is smaller than the sum of its proper divisors (460262262240600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230131131120120 is a wasteful number, since it uses less digits than its factorization.

230131131120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917759426015 (or 1917759426011 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 230131131120120 its reverse (21021131131032), we get a palindrome (251152262251152).

The spelling of 230131131120120 in words is "two hundred thirty trillion, one hundred thirty-one billion, one hundred thirty-one million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1917759426001 3835518852002 5753278278003 7671037704004 9588797130005 11506556556006 15342075408008 19177594260010 23013113112012 28766391390015 38355188520020 46026226224024 57532782780030 76710377040040 115065565560060 230131131120120