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311014131321 = 337475310311091
BaseRepresentation
bin1001000011010011110…
…00110000011001111001
31002201210002221212111210
410201221320300121321
520043424104200241
6354513344113333
731320135332355
oct4415170603171
91081702855453
10311014131321
1110a99a407173
125033a005849
132343696338a
14110a5c50465
1581545e0316
hex4869e30679

311014131321 has 64 divisors (see below), whose sum is σ = 443997904896. Its totient is φ = 193355884800.

The previous prime is 311014131299. The next prime is 311014131359. The reversal of 311014131321 is 123131410113.

It is not a de Polignac number, because 311014131321 - 211 = 311014129273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311014131391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 285071986 + ... + 285073076.

It is an arithmetic number, because the mean of its divisors is an integer number (6937467264).

Almost surely, 2311014131321 is an apocalyptic number.

It is an amenable number.

311014131321 is a deficient number, since it is larger than the sum of its proper divisors (132983773575).

311014131321 is a wasteful number, since it uses less digits than its factorization.

311014131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 311014131321 its reverse (123131410113), we get a palindrome (434145541434).

The spelling of 311014131321 in words is "three hundred eleven billion, fourteen million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 3 37 47 53 111 141 159 1031 1091 1739 1961 2491 3093 3273 5217 5883 7473 38147 40367 48457 51277 54643 57823 92167 114441 121101 145371 153831 163929 173469 276501 1124821 1792909 1897249 2021791 2139451 2568221 2717681 3374463 5378727 5691747 6065373 6418353 7704663 8153043 41618377 52866587 59615513 95024177 100554197 124855131 158599761 178846539 285072531 301662591 1956063719 2205773981 2801929111 5868191157 6617321943 8405787333 103671377107 311014131321