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301123031 = 11472392437
BaseRepresentation
bin10001111100101…
…100010111010111
3202222121122010212
4101330230113113
51104041414111
645514040035
710314334466
oct2174542727
9688548125
10301123031
11144a81210
1284a1901b
134a502011
142bdc69dd
151b68198b
hex11f2c5d7

301123031 has 16 divisors (see below), whose sum is σ = 337029120. Its totient is φ = 266693280.

The previous prime is 301123027. The next prime is 301123033. The reversal of 301123031 is 130321103.

It is a cyclic number.

It is not a de Polignac number, because 301123031 - 22 = 301123027 is a prime.

It is a super-2 number, since 2×3011230312 = 181350159597253922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 301122997 and 301123015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301123033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122345 + ... + 124781.

It is an arithmetic number, because the mean of its divisors is an integer number (21064320).

Almost surely, 2301123031 is an apocalyptic number.

301123031 is a deficient number, since it is larger than the sum of its proper divisors (35906089).

301123031 is a wasteful number, since it uses less digits than its factorization.

301123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 301123031 is about 17352.8969051280. The cubic root of 301123031 is about 670.2672365308.

Adding to 301123031 its reverse (130321103), we get a palindrome (431444134).

The spelling of 301123031 in words is "three hundred one million, one hundred twenty-three thousand, thirty-one".

Divisors: 1 11 47 239 517 2437 2629 11233 26807 114539 123563 582443 1259929 6406873 27374821 301123031