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20231321310310 = 2511249439737339
BaseRepresentation
bin1001001100110011110001…
…01110000101010001100110
32122122002120120022121112011
410212121320232011101212
510122432221223412220
6111010050220344434
74155444000512245
oct446317056052146
978562516277464
1020231321310310
1164a00674a5260
122328b706a511a
13b39a61654906
144dd2b605495c
152513e2e3365a
hex126678b85466

20231321310310 has 32 divisors (see below), whose sum is σ = 39727171353600. Its totient is φ = 7356804641760.

The previous prime is 20231321310287. The next prime is 20231321310359. The reversal of 20231321310310 is 1301312313202.

It is a super-2 number, since 2×202313213103102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 27069621 + ... + 27806959.

It is an arithmetic number, because the mean of its divisors is an integer number (1241474104800).

Almost surely, 220231321310310 is an apocalyptic number.

20231321310310 is a deficient number, since it is larger than the sum of its proper divisors (19495850043290).

20231321310310 is a wasteful number, since it uses less digits than its factorization.

20231321310310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986796.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20231321310310 its reverse (1301312313202), we get a palindrome (21532633623512).

The spelling of 20231321310310 in words is "twenty trillion, two hundred thirty-one billion, three hundred twenty-one million, three hundred ten thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 249439 498878 737339 1247195 1474678 2494390 2743829 3686695 5487658 7373390 8110729 13719145 16221458 27438290 40553645 81107290 183921102821 367842205642 919605514105 1839211028210 2023132131031 4046264262062 10115660655155 20231321310310