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131202223303230 = 23251457802481147
BaseRepresentation
bin11101110101001111100101…
…111010011110101000111110
3122012112210212112020220102100
4131311033211322132220332
5114144104123131200410
61143013245211405530
736431022255161232
oct3565174572365076
9565483775226370
10131202223303230
113889460668aa02
121286ba531538a6
135829416670321
142458315aac5c2
151027d0e5558c0
hex7753e5e9ea3e

131202223303230 has 24 divisors (see below), whose sum is σ = 341125780588632. Its totient is φ = 34987259547504.

The previous prime is 131202223303223. The next prime is 131202223303259. The reversal of 131202223303230 is 32303322202131.

131202223303230 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 2 + 2 + 2 + 330 + 323 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131202223303194 and 131202223303203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728901240484 + ... + 728901240663.

It is an arithmetic number, because the mean of its divisors is an integer number (14213574191193).

Almost surely, 2131202223303230 is an apocalyptic number.

131202223303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131202223303230 is an abundant number, since it is smaller than the sum of its proper divisors (209923557285402).

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

131202223303230 is a wasteful number, since it uses less digits than its factorization.

131202223303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457802481160 (or 1457802481157 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 131202223303230 its reverse (32303322202131), we get a palindrome (163505545505361).

The spelling of 131202223303230 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-three million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1457802481147 2915604962294 4373407443441 7289012405735 8746814886882 13120222330323 14578024811470 21867037217205 26240444660646 43734074434410 65601111651615 131202223303230