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121310313334 = 2731279516851
BaseRepresentation
bin111000011111010101…
…0000111101101110110
3102121010022202102110221
41300332222013231312
53441420420011314
6131421301004554
711523116435620
oct1607652075566
9377108672427
10121310313334
11474a1566a01
121b6166b375a
13b5937c36c2
145c2b38dc10
153250031824
hex1c3ea87b76

121310313334 has 16 divisors (see below), whose sum is σ = 214668942336. Its totient is φ = 50313033000.

The previous prime is 121310313323. The next prime is 121310313343. The reversal of 121310313334 is 433313013121.

It is a junction number, because it is equal to n+sod(n) for n = 121310313299 and 121310313308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139757992 + ... + 139758859.

It is an arithmetic number, because the mean of its divisors is an integer number (13416808896).

Almost surely, 2121310313334 is an apocalyptic number.

121310313334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121310313334 is a deficient number, since it is larger than the sum of its proper divisors (93358629002).

121310313334 is a wasteful number, since it uses less digits than its factorization.

121310313334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279516891.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121310313334 its reverse (433313013121), we get a palindrome (554623326455).

The spelling of 121310313334 in words is "one hundred twenty-one billion, three hundred ten million, three hundred thirteen thousand, three hundred thirty-four".

Divisors: 1 2 7 14 31 62 217 434 279516851 559033702 1956617957 3913235914 8665022381 17330044762 60655156667 121310313334