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231440245030411 = 43109823429713963
BaseRepresentation
bin110100100111111001100001…
…100101110111111000001011
31010100110110201121102222120021
4310213321201211313320023
5220313404110211433121
62140122103014041311
766515002011541204
oct6447714145677013
91110413647388507
10231440245030411
11678202907596aa
1221b5a805949237
139c1a94c079c51
144121aa652c5ab
151bb545a261641
hexd27e61977e0b

231440245030411 has 32 divisors (see below), whose sum is σ = 239358483499520. Its totient is φ = 223643752061184.

The previous prime is 231440245030307. The next prime is 231440245030429. The reversal of 231440245030411 is 114030542044132.

It is a cyclic number.

It is not a de Polignac number, because 231440245030411 - 219 = 231440244506123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231440245037411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16575245116 + ... + 16575259078.

It is an arithmetic number, because the mean of its divisors is an integer number (7479952609360).

Almost surely, 2231440245030411 is an apocalyptic number.

231440245030411 is a deficient number, since it is larger than the sum of its proper divisors (7918238469109).

231440245030411 is a wasteful number, since it uses less digits than its factorization.

231440245030411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19235.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 231440245030411 its reverse (114030542044132), we get a palindrome (345470787074543).

The spelling of 231440245030411 in words is "two hundred thirty-one trillion, four hundred forty billion, two hundred forty-five million, thirty thousand, four hundred eleven".

Divisors: 1 43 109 823 4297 4687 13963 35389 89707 184771 468373 600409 1521967 3536431 3857401 11491549 20140039 59999011 65444581 152066533 385470979 494136607 1252578841 2579957473 6539892199 16575252097 49379186053 53860890163 281215364557 2123305000279 5382331279777 231440245030411