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2331113109 = 313376171373
BaseRepresentation
bin1000101011110001…
…1111011010010101
320000110101211000120
42022330133122111
514233231104414
61023151502153
7111524064063
oct21274373225
96013354016
102331113109
11a96941866
12550827959
132b1c49990
1418184b033
15d99ba2a9
hex8af1f695

2331113109 has 64 divisors (see below), whose sum is σ = 3552772608. Its totient is φ = 1349913600.

The previous prime is 2331113063. The next prime is 2331113123. The reversal of 2331113109 is 9013111332.

It is not a de Polignac number, because 2331113109 - 28 = 2331112853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331113149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6249447 + ... + 6249819.

It is an arithmetic number, because the mean of its divisors is an integer number (55512072).

Almost surely, 22331113109 is an apocalyptic number.

It is an amenable number.

2331113109 is a deficient number, since it is larger than the sum of its proper divisors (1221659499).

2331113109 is a wasteful number, since it uses less digits than its factorization.

2331113109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 2331113109 is about 48281.6021792981. The cubic root of 2331113109 is about 1325.9315834336.

It can be divided in two parts, 2331 and 113109, that added together give a triangular number (115440 = T480).

The spelling of 2331113109 in words is "two billion, three hundred thirty-one million, one hundred thirteen thousand, one hundred nine".

Divisors: 1 3 13 37 39 61 71 111 183 213 373 481 793 923 1119 1443 2257 2379 2627 2769 4331 4849 6771 7881 12993 13801 14547 22753 26483 29341 34151 41403 56303 68259 79449 88023 102453 160247 168909 179413 295789 344279 480741 538239 841861 887367 979871 1032837 1615463 2083211 2525583 2939613 4846389 6249633 10944193 12738323 21001019 32832579 38214969 59772131 63003057 179316393 777037703 2331113109