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213002333131 = 729271509603
BaseRepresentation
bin1100011001011111101…
…1011010101111001011
3202100210111110122102011
43012113323122233023
511442212044130011
6241504003120351
721250252646530
oct3062773325713
9670714418364
10213002333131
118237429a565
12353460730b7
1317117029b13
14a448c96d87
155819bd7621
hex3197edabcb

213002333131 has 24 divisors (see below), whose sum is σ = 255666288384. Its totient is φ = 173794666080.

The previous prime is 213002333129. The next prime is 213002333209. The reversal of 213002333131 is 131333200312.

It is not a de Polignac number, because 213002333131 - 21 = 213002333129 is a prime.

It is a super-2 number, since 2×2130023331312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213002333111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163176 + ... + 672778.

It is an arithmetic number, because the mean of its divisors is an integer number (10652762016).

Almost surely, 2213002333131 is an apocalyptic number.

213002333131 is a deficient number, since it is larger than the sum of its proper divisors (42663955253).

213002333131 is an equidigital number, since it uses as much as digits as its factorization.

213002333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509739 (or 509710 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213002333131 its reverse (131333200312), we get a palindrome (344335533443).

The spelling of 213002333131 in words is "two hundred thirteen billion, two million, three hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 7 29 71 203 497 841 2059 5887 14413 59711 417977 509603 3567221 14778487 36181813 103449409 253272691 428576123 1049272577 3000032861 7344908039 30428904733 213002333131