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311112404211112 = 23719129086799197
BaseRepresentation
bin100011010111101001000000…
…0010101101001010110101000
31111210120001111100221211011121
41012233102000111221112220
5311234231200434223422
63021403022044105024
7122350062254666620
oct10657220025512650
91453501440854147
10311112404211112
1190148036547979
122aa87802835174
1310479a0a15739a
1456b7cc65c9880
1525e7b332198c7
hex11af4805695a8

311112404211112 has 32 divisors (see below), whose sum is σ = 670159853521920. Its totient is φ = 132635804333760.

The previous prime is 311112404211107. The next prime is 311112404211157. The reversal of 311112404211112 is 211112404211113.

It is a super-2 number, since 2×3111124042111122 (a number of 30 digits) contains 22 as substring.

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, 14543388903 + ... + 14543410294.

It is an arithmetic number, because the mean of its divisors is an integer number (20942495422560).

Almost surely, 2311112404211112 is an apocalyptic number.

It is an amenable number.

311112404211112 is an abundant number, since it is smaller than the sum of its proper divisors (359047449310808).

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

311112404211112 is a wasteful number, since it uses less digits than its factorization.

311112404211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29086799401 (or 29086799397 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 311112404211112 its reverse (211112404211113), we get a palindrome (522224808422225).

Subtracting from 311112404211112 its reverse (211112404211113), we obtain a palindrome (99999999999999).

The spelling of 311112404211112 in words is "three hundred eleven trillion, one hundred twelve billion, four hundred four million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 191 382 764 1337 1528 2674 5348 10696 29086799197 58173598394 116347196788 203607594379 232694393576 407215188758 814430377516 1628860755032 5555578646627 11111157293254 22222314586508 38889050526389 44444629173016 77778101052778 155556202105556 311112404211112