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311031063742 = 271737312111317
BaseRepresentation
bin1001000011010101110…
…01010110010010111110
31002201211021211010102111
410201222321112102332
520043442423014432
6354515151044234
731320432264130
oct4415271262276
91081737733374
10311031063742
1110a9a8a21803
125034381067a
132343a311469
14110a81bb050
158155d37347
hex486ae564be

311031063742 has 64 divisors (see below), whose sum is σ = 580056011136. Its totient is φ = 122017259520.

The previous prime is 311031063737. The next prime is 311031063769. The reversal of 311031063742 is 247360130113.

It is a super-3 number, since 3×3110310637423 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27477868 + ... + 27489184.

It is an arithmetic number, because the mean of its divisors is an integer number (9063375174).

Almost surely, 2311031063742 is an apocalyptic number.

311031063742 is a deficient number, since it is larger than the sum of its proper divisors (269024947394).

311031063742 is a wasteful number, since it uses less digits than its factorization.

311031063742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14501.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 311031063742 its reverse (247360130113), we get a palindrome (558391193855).

The spelling of 311031063742 in words is "three hundred eleven billion, thirty-one million, sixty-three thousand, seven hundred forty-two".

Divisors: 1 2 7 14 17 34 37 74 119 238 259 518 629 1258 3121 4403 6242 8806 11317 21847 22634 43694 53057 79219 106114 115477 158438 192389 230954 371399 384778 418729 742798 808339 837458 1346723 1616678 1963109 2693446 2931103 3926218 5862206 7118393 13741763 14236786 27483526 35320357 49828751 70640714 99657502 247242499 494484998 600446069 1200892138 1306853209 2613706418 4203122483 8406244966 9147972463 18295944926 22216504553 44433009106 155515531871 311031063742