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232143434230331 = 13131167816253931
BaseRepresentation
bin110100110010001000011010…
…111011110010101000111011
31010102221200210001222112010202
4310302020122323302220323
5220411414223130332311
62141421115455032415
766616544465243531
oct6462103273625073
91112850701875122
10232143434230331
1167a71528724408
1222052b5250b70b
139c6c055173920
144147b3320a151
151bc88b42d1e3b
hexd3221aef2a3b

232143434230331 has 16 divisors (see below), whose sum is σ = 253417460744448. Its totient is φ = 211377117712800.

The previous prime is 232143434230313. The next prime is 232143434230361. The reversal of 232143434230331 is 133032434341232.

It is not a de Polignac number, because 232143434230331 - 222 = 232143430036027 is a prime.

It is a super-2 number, since 2×2321434342303312 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232143434230361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407842565 + ... + 408411366.

It is an arithmetic number, because the mean of its divisors is an integer number (15838591296528).

Almost surely, 2232143434230331 is an apocalyptic number.

232143434230331 is a deficient number, since it is larger than the sum of its proper divisors (21274026514117).

232143434230331 is a wasteful number, since it uses less digits than its factorization.

232143434230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816254242.

The product of its (nonzero) digits is 373248, while the sum is 38.

Adding to 232143434230331 its reverse (133032434341232), we get a palindrome (365175868571563).

The spelling of 232143434230331 in words is "two hundred thirty-two trillion, one hundred forty-three billion, four hundred thirty-four million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 13 131 167 1703 2171 21877 284401 816253931 10611301103 106929264961 136314406477 1390080444493 1772087284201 17857187248487 232143434230331