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304130122331 = 7239883191137
BaseRepresentation
bin1000110110011111001…
…00010110001001011011
31002002000100110222110212
410123033210112021123
514440324302403311
6351414312001335
730654425246330
oct4331744261133
91062010428425
10304130122331
11107a87586342
124ab3869024b
13228aa6ac689
1410a11888987
157da0088c8b
hex46cf91625b

304130122331 has 16 divisors (see below), whose sum is σ = 362727934464. Its totient is φ = 249322385664.

The previous prime is 304130122321. The next prime is 304130122357. The reversal of 304130122331 is 133221031403.

It is a cyclic number.

It is not a de Polignac number, because 304130122331 - 26 = 304130122267 is a prime.

It is a super-2 number, since 2×3041301223312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 304130122297 and 304130122306.

It is not an unprimeable number, because it can be changed into a prime (304130122321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495595 + ... + 1686731.

It is an arithmetic number, because the mean of its divisors is an integer number (22670495904).

Almost surely, 2304130122331 is an apocalyptic number.

304130122331 is a deficient number, since it is larger than the sum of its proper divisors (58597812133).

304130122331 is a wasteful number, since it uses less digits than its factorization.

304130122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201050.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 304130122331 its reverse (133221031403), we get a palindrome (437351153734).

The spelling of 304130122331 in words is "three hundred four billion, one hundred thirty million, one hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 7 23 161 9883 69181 191137 227309 1337959 1591163 4396151 30773057 1889006971 13223048797 43447160333 304130122331