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1310023121230 = 252349129573923
BaseRepresentation
bin10011000100000011011…
…101100111100101001110
311122020101202121202201101
4103010003131213211032
5132430411404334410
62441452153533314
7163434410542225
oct23040335474516
94566352552641
101310023121230
1146563999955a
12191a8411423a
13966c481b8c5
1447596809cbc
1524123d4dd3a
hex1310376794e

1310023121230 has 64 divisors (see below), whose sum is σ = 2467039016448. Its totient is φ = 499908787840.

The previous prime is 1310023121203. The next prime is 1310023121237. The reversal of 1310023121230 is 321213200131.

It is a junction number, because it is equal to n+sod(n) for n = 1310023121198 and 1310023121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310023121237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333932049 + ... + 333935971.

It is an arithmetic number, because the mean of its divisors is an integer number (38547484632).

Almost surely, 21310023121230 is an apocalyptic number.

1310023121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310023121230 is a deficient number, since it is larger than the sum of its proper divisors (1157015895218).

1310023121230 is a wasteful number, since it uses less digits than its factorization.

1310023121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1310023121230 its reverse (321213200131), we get a palindrome (1631236321361).

The spelling of 1310023121230 in words is "one trillion, three hundred ten billion, twenty-three million, one hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 491 982 2455 2957 3923 4910 5914 7846 11293 14785 19615 22586 29570 39230 56465 68011 90229 112930 136022 180458 340055 451145 680110 902290 1451887 1926193 2903774 3852386 7259435 9630965 11600311 14518870 19261930 23200622 33393401 44302439 58001555 66786802 88604878 116003110 166967005 221512195 266807153 333934010 443024390 533614306 1334035765 2668071530 5695752701 11391505402 28478763505 56957527010 131002312123 262004624246 655011560615 1310023121230