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10301230321 = 71145087751
BaseRepresentation
bin10011001100000000…
…00100110011110001
3222120220120201102221
421212000010303301
5132044103332241
64422103041041
7513163004314
oct114600046361
928526521387
1010301230321
114406859898
121bb5a40181
13c82229275
146da17697b
154045615d1
hex266004cf1

10301230321 has 4 divisors (see below), whose sum is σ = 10446318144. Its totient is φ = 10156142500.

The previous prime is 10301230309. The next prime is 10301230333. The reversal of 10301230321 is 12303210301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10301230309) and next prime (10301230333).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10301230321 is a prime.

It is a super-2 number, since 2×103012303212 (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10301230295 and 10301230304.

It is not an unprimeable number, because it can be changed into a prime (10301236321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72543805 + ... + 72543946.

It is an arithmetic number, because the mean of its divisors is an integer number (2611579536).

Almost surely, 210301230321 is an apocalyptic number.

It is an amenable number.

10301230321 is a deficient number, since it is larger than the sum of its proper divisors (145087823).

10301230321 is an equidigital number, since it uses as much as digits as its factorization.

10301230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145087822.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10301230321 its reverse (12303210301), we get a palindrome (22604440622).

The spelling of 10301230321 in words is "ten billion, three hundred one million, two hundred thirty thousand, three hundred twenty-one".

Divisors: 1 71 145087751 10301230321