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311340254344 = 237192917100313
BaseRepresentation
bin1001000011111010101…
…00110100010010001000
31002202121211121122012021
410201331110310102020
520100111101114334
6355005554054224
731331205332350
oct4417524642210
91082554548167
10311340254344
11110047503229
125040b27a374
13234893a9592
14110d72a3b60
15817305e3b4
hex487d534488

311340254344 has 64 divisors (see below), whose sum is σ = 702519004800. Its totient is φ = 126364230144.

The previous prime is 311340254327. The next prime is 311340254437. The reversal of 311340254344 is 443452043113.

It is a super-2 number, since 2×3113402543442 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3053532 + ... + 3153844.

It is an arithmetic number, because the mean of its divisors is an integer number (10976859450).

Almost surely, 2311340254344 is an apocalyptic number.

It is an amenable number.

311340254344 is an abundant number, since it is smaller than the sum of its proper divisors (391178750456).

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

311340254344 is a wasteful number, since it uses less digits than its factorization.

311340254344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103262 (or 103258 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 311340254344 its reverse (443452043113), we get a palindrome (754792297457).

The spelling of 311340254344 in words is "three hundred eleven billion, three hundred forty million, two hundred fifty-four thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 2917 5834 11668 20419 23336 40838 55423 81676 100313 110846 163352 200626 221692 387961 401252 443384 702191 775922 802504 1404382 1551844 1905947 2808764 3103688 3811894 5617528 7623788 13341629 15247576 26683258 53366516 106733032 292613021 585226042 1170452084 2048291147 2340904168 4096582294 5559647399 8193164588 11119294798 16386329176 22238589596 38917531793 44477179192 77835063586 155670127172 311340254344