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2031313442124 = 2231997102189959
BaseRepresentation
bin11101100011110011101…
…101110101010101001100
321012012011201121112012210
4131203303231311111030
5231240112220121444
64153101132430420
7266520561241161
oct35436355652514
97165151545183
102031313442124
1171352553337a
12289822918410
13119723a8c955
147045d518068
1537c8c09e7b9
hex1d8f3b7554c

2031313442124 has 96 divisors (see below), whose sum is σ = 5045618905600. Its totient is φ = 634225489920.

The previous prime is 2031313442111. The next prime is 2031313442167. The reversal of 2031313442124 is 4212443131302.

It is a junction number, because it is equal to n+sod(n) for n = 2031313442091 and 2031313442100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22535457 + ... + 22625415.

Almost surely, 22031313442124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031313442124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522809452800).

2031313442124 is an abundant number, since it is smaller than the sum of its proper divisors (3014305463476).

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

2031313442124 is a wasteful number, since it uses less digits than its factorization.

2031313442124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91103 (or 91101 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 2031313442124 its reverse (4212443131302), we get a palindrome (6243756573426).

The spelling of 2031313442124 in words is "two trillion, thirty-one billion, three hundred thirteen million, four hundred forty-two thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 97 114 194 228 291 388 582 1021 1164 1843 2042 3063 3686 4084 5529 6126 7372 11058 12252 19399 22116 38798 58197 77596 89959 99037 116394 179918 198074 232788 269877 297111 359836 396148 539754 594222 1079508 1188444 1709221 1881703 3418442 3763406 5127663 5645109 6836884 7526812 8726023 10255326 11290218 17452046 20510652 22580436 26178069 34904092 52356138 91848139 104712276 165794437 183696278 275544417 331588874 367392556 497383311 551088834 663177748 994766622 1102177668 1745114641 1989533244 3490229282 5235343923 6980458564 8909269483 10470687846 17818538966 20941375692 26727808449 35637077932 53455616898 106911233796 169276120177 338552240354 507828360531 677104480708 1015656721062 2031313442124