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231013331331310 = 251123831100115869
BaseRepresentation
bin110100100001101011111011…
…100011010110100011101110
31010021221122210021000001010001
4310201223323203112203232
5220234410300310100220
62135154020451534514
766442106464142143
oct6441537343264356
91107848707001101
10231013331331310
1167676227038880
1221aabb212ba43a
139bb96048b6388
144109167b903ca
151ba92c0b7d80a
hexd21afb8d68ee

231013331331310 has 64 divisors (see below), whose sum is σ = 479052056286720. Its totient is φ = 79384361034880.

The previous prime is 231013331331281. The next prime is 231013331331329. The reversal of 231013331331310 is 13133133310132.

It is a super-2 number, since 2×2310133313313102 (a number of 30 digits) contains 22 as substring.

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, 549847945 + ... + 550267924.

It is an arithmetic number, because the mean of its divisors is an integer number (7485188379480).

Almost surely, 2231013331331310 is an apocalyptic number.

231013331331310 is an abundant number, since it is smaller than the sum of its proper divisors (248038724955410).

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

231013331331310 is a wasteful number, since it uses less digits than its factorization.

231013331331310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100115993.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 231013331331310 its reverse (13133133310132), we get a palindrome (244146464641442).

The spelling of 231013331331310 in words is "two hundred thirty-one trillion, thirteen billion, three hundred thirty-one million, three hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 23 46 55 83 110 115 166 230 253 415 506 830 913 1265 1826 1909 2530 3818 4565 9130 9545 19090 20999 41998 104995 209990 1100115869 2200231738 5500579345 11001158690 12101274559 24202549118 25302664987 50605329974 60506372795 91309617127 121012745590 126513324935 182619234254 253026649870 278329314857 456548085635 556658629714 913096171270 1004405788397 1391646574285 2008811576794 2100121193921 2783293148570 4200242387842 5022028941985 10044057883970 10500605969605 21001211939210 23101333133131 46202666266262 115506665665655 231013331331310