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302003142231 = 3714381102011
BaseRepresentation
bin1000110010100001100…
…10100011111001010111
31001212112010012012022010
410121100302203321113
514422000301022411
6350423251235303
730550630232220
oct4312062437127
91055463165263
10302003142231
1110709599a74a
124a6442a8b33
132262bb3627b
141088d1b8247
157cc84927a6
hex4650ca3e57

302003142231 has 8 divisors (see below), whose sum is σ = 460195264384. Its totient is φ = 172573224120.

The previous prime is 302003142229. The next prime is 302003142241. The reversal of 302003142231 is 132241300203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 302003142231 - 21 = 302003142229 is a prime.

It is a super-2 number, since 2×3020031422312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 14381102011 = 302003142231 / (3 + 0 + 2 + 0 + 0 + 3 + 1 + 4 + 2 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302003142198 and 302003142207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302003142241) 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 7 ways as a sum of consecutive naturals, for example, 7190550985 + ... + 7190551026.

It is an arithmetic number, because the mean of its divisors is an integer number (57524408048).

Almost surely, 2302003142231 is an apocalyptic number.

302003142231 is a deficient number, since it is larger than the sum of its proper divisors (158192122153).

302003142231 is a wasteful number, since it uses less digits than its factorization.

302003142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381102021.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 302003142231 its reverse (132241300203), we get a palindrome (434244442434).

The spelling of 302003142231 in words is "three hundred two billion, three million, one hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 14381102011 43143306033 100667714077 302003142231