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31310134055310 = 23511169399560093
BaseRepresentation
bin1110001111001111101010…
…11010110001000110001110
311002212012221002001120011010
413013213311122301012032
513100441123304232220
6150331402122510050
76411040211203425
oct707476532610616
9132765832046133
1031310134055310
119a8160a469a70
123618144665326
1314616c0c2c406
147a35c07d22bc
153946ad73c1e0
hex1c79f56b118e

31310134055310 has 64 divisors (see below), whose sum is σ = 81976253990400. Its totient is φ = 7590277169280.

The previous prime is 31310134055303. The next prime is 31310134055327. The reversal of 31310134055310 is 1355043101313.

It is a super-2 number, since 2×313101340553102 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 55621624 + ... + 56181716.

It is an arithmetic number, because the mean of its divisors is an integer number (1280878968600).

Almost surely, 231310134055310 is an apocalyptic number.

31310134055310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31310134055310 is an abundant number, since it is smaller than the sum of its proper divisors (50666119935090).

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

31310134055310 is a wasteful number, since it uses less digits than its factorization.

31310134055310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729513.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 31310134055310 its reverse (1355043101313), we get a palindrome (32665177156623).

The spelling of 31310134055310 in words is "thirty-one trillion, three hundred ten billion, one hundred thirty-four million, fifty-five thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 169399 338798 508197 560093 846995 1016394 1120186 1680279 1693990 1863389 2540985 2800465 3360558 3726778 5081970 5590167 5600930 6161023 8401395 9316945 11180334 12322046 16802790 18483069 18633890 27950835 30805115 36966138 55901670 61610230 92415345 184830690 94879194107 189758388214 284637582321 474395970535 569275164642 948791941070 1043671135177 1423187911605 2087342270354 2846375823210 3131013405531 5218355675885 6262026811062 10436711351770 15655067027655 31310134055310