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302132011231 = 1492027731619
BaseRepresentation
bin1000110010110000111…
…10001010000011011111
31001212212002200102100001
410121120132022003133
514422231243324411
6350444133315131
730554053502461
oct4313036120337
91055762612301
10302132011231
11107151709956
124a67b495aa7
132264c74700b
14108a2362131
157cd494adc1
hex465878a0df

302132011231 has 4 divisors (see below), whose sum is σ = 304159743000. Its totient is φ = 300104279464.

The previous prime is 302132011193. The next prime is 302132011243. The reversal of 302132011231 is 132110231203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132110231203 = 149886645847.

It is a cyclic number.

It is not a de Polignac number, because 302132011231 - 223 = 302123622623 is a prime.

It is a super-2 number, since 2×3021320112312 (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 = 302132011199 and 302132011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302132011331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013865661 + ... + 1013865958.

It is an arithmetic number, because the mean of its divisors is an integer number (76039935750).

Almost surely, 2302132011231 is an apocalyptic number.

302132011231 is a deficient number, since it is larger than the sum of its proper divisors (2027731769).

302132011231 is a wasteful number, since it uses less digits than its factorization.

302132011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027731768.

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

Adding to 302132011231 its reverse (132110231203), we get a palindrome (434242242434).

The spelling of 302132011231 in words is "three hundred two billion, one hundred thirty-two million, eleven thousand, two hundred thirty-one".

Divisors: 1 149 2027731619 302132011231