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1131331301212 = 2272310117393323
BaseRepresentation
bin10000011101101000100…
…110011010111101011100
311000011011102102210001011
4100131220212122331130
5122013431303114322
62223420524025004
7144510305252020
oct20355046327534
94004142383034
101131331301212
113a6882031362
12163314692164
13828b7c17668
143ca84660380
151e6663ee677
hex1076899af5c

1131331301212 has 48 divisors (see below), whose sum is σ = 2384416000512. Its totient is φ = 459183700800.

The previous prime is 1131331301183. The next prime is 1131331301231. The reversal of 1131331301212 is 2121031331311.

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, 8631618 + ... + 8761705.

It is an arithmetic number, because the mean of its divisors is an integer number (49675333344).

Almost surely, 21131331301212 is an apocalyptic number.

It is an amenable number.

1131331301212 is an abundant number, since it is smaller than the sum of its proper divisors (1253084699300).

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

1131331301212 is a wasteful number, since it uses less digits than its factorization.

1131331301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17393458 (or 17393456 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1131331301212 its reverse (2121031331311), we get a palindrome (3252362632523).

The spelling of 1131331301212 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-one million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 92 101 161 202 322 404 644 707 1414 2323 2828 4646 9292 16261 32522 65044 17393323 34786646 69573292 121753261 243506522 400046429 487013044 800092858 1600185716 1756725623 2800325003 3513451246 5600650006 7026902492 11201300012 12297079361 24594158722 40404689329 49188317444 80809378658 161618757316 282832825303 565665650606 1131331301212