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310223120130 = 233571129514543
BaseRepresentation
bin1001000001110101011…
…11010010011100000010
31002122201222112100011000
410200322233102130002
520040314104321010
6354303050032430
731261422004320
oct4407257223402
91078658470130
10310223120130
1110a623955810
1250159118716
132333bb09a11
141102cb84d10
158109e417c0
hex483abd2702

310223120130 has 256 divisors, whose sum is σ = 1066958438400. Its totient is φ = 62239000320.

The previous prime is 310223120063. The next prime is 310223120131. The reversal of 310223120130 is 31021322013.

310223120130 is a `hidden beast` number, since 310 + 223 + 1 + 2 + 0 + 130 = 666.

It is a super-2 number, since 2×3102231201302 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (310223120131) 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 127 ways as a sum of consecutive naturals, for example, 345639 + ... + 860181.

It is an arithmetic number, because the mean of its divisors is an integer number (4167806400).

Almost surely, 2310223120130 is an apocalyptic number.

310223120130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 310223120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533479219200).

310223120130 is an abundant number, since it is smaller than the sum of its proper divisors (756735318270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310223120130 is a wasteful number, since it uses less digits than its factorization.

310223120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514606 (or 514600 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 310223120130 its reverse (31021322013), we get a palindrome (341244442143).

The spelling of 310223120130 in words is "three hundred ten billion, two hundred twenty-three million, one hundred twenty thousand, one hundred thirty".