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220323131301 = 37131942476023
BaseRepresentation
bin1100110100110001001…
…0000010111110100101
3210001200200211201120010
43031030102002332211
512102210210200201
6245114241200433
721626545500450
oct3151422027645
9701620751503
10220323131301
1185490733589
1236849930119
1317a12933360
14a94127c497
155ae776cbd6
hex334c482fa5

220323131301 has 32 divisors (see below), whose sum is σ = 380585175040. Its totient is φ = 110097849024.

The previous prime is 220323131291. The next prime is 220323131309. The reversal of 220323131301 is 103131323022.

It is not a de Polignac number, because 220323131301 - 27 = 220323131173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220323131309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21232825 + ... + 21243198.

It is an arithmetic number, because the mean of its divisors is an integer number (11893286720).

Almost surely, 2220323131301 is an apocalyptic number.

220323131301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220323131301 is a deficient number, since it is larger than the sum of its proper divisors (160262043739).

220323131301 is a wasteful number, since it uses less digits than its factorization.

220323131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42476065.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 220323131301 its reverse (103131323022), we get a palindrome (323454454323).

The spelling of 220323131301 in words is "two hundred twenty billion, three hundred twenty-three million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 3 7 13 19 21 39 57 91 133 247 273 399 741 1729 5187 42476023 127428069 297332161 552188299 807044437 891996483 1656564897 2421133311 3865318093 5649311059 10491577681 11595954279 16947933177 31474733043 73441043767 220323131301