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301213012231 = 73103211189859
BaseRepresentation
bin1000110001000011011…
…00011101000100000111
31001210111001102102201001
410120201230131010013
514413341012342411
6350213024114131
730522224234215
oct4304154350407
91053431372631
10301213012231
1110681a99034a
124a463765947
132253422aa21
141081629bcb5
157c7de19dc1
hex4621b1d107

301213012231 has 16 divisors (see below), whose sum is σ = 309766462720. Its totient is φ = 292806601920.

The previous prime is 301213012187. The next prime is 301213012249. The reversal of 301213012231 is 132210312103.

It is a cyclic number.

It is not a de Polignac number, because 301213012231 - 219 = 301212487943 is a prime.

It is a super-2 number, since 2×3012130122312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 301213012199 and 301213012208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301213012031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491580 + ... + 1681438.

It is an arithmetic number, because the mean of its divisors is an integer number (19360403920).

Almost surely, 2301213012231 is an apocalyptic number.

301213012231 is a deficient number, since it is larger than the sum of its proper divisors (8553450489).

301213012231 is a wasteful number, since it uses less digits than its factorization.

301213012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190246.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 301213012231 its reverse (132210312103), we get a palindrome (433423324334).

The spelling of 301213012231 in words is "three hundred one billion, two hundred thirteen million, twelve thousand, two hundred thirty-one".

Divisors: 1 73 103 211 7519 15403 21733 189859 1586509 13859707 19555477 40060249 1427549821 2924398177 4126205647 301213012231