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31101234011012 = 22114316438284361
BaseRepresentation
bin1110001001001010100100…
…00000010101101110000100
311002010020201110202210002102
413010211102000111232010
513034030311401323022
6150051413141531232
76356663400134414
oct704452200255604
9132106643683072
1031101234011012
119a00a60878860
1235a3764413b18
131447aaba89549
147974446b8644
1538e033c82a92
hex1c4952015b84

31101234011012 has 24 divisors (see below), whose sum is σ = 60755899001952. Its totient is φ = 13808158862400.

The previous prime is 31101234010981. The next prime is 31101234011017. The reversal of 31101234011012 is 21011043210113.

It is not an unprimeable number, because it can be changed into a prime (31101234011017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8219140289 + ... + 8219144072.

It is an arithmetic number, because the mean of its divisors is an integer number (2531495791748).

Almost surely, 231101234011012 is an apocalyptic number.

It is an amenable number.

31101234011012 is a deficient number, since it is larger than the sum of its proper divisors (29654664990940).

31101234011012 is a wasteful number, since it uses less digits than its factorization.

31101234011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16438284419 (or 16438284417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31101234011012 its reverse (21011043210113), we get a palindrome (52112277221125).

The spelling of 31101234011012 in words is "thirty-one trillion, one hundred one billion, two hundred thirty-four million, eleven thousand, twelve".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892 16438284361 32876568722 65753137444 180821127971 361642255942 706846227523 723284511884 1413692455046 2827384910092 7775308502753 15550617005506 31101234011012