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231532424300345 = 5715307432169081
BaseRepresentation
bin110100101001001111010111…
…111001111000011100111001
31010100210021122202000002000212
4310221033113321320130321
5220321411401110102340
62140232305523440505
766524444212444340
oct6451172771703471
91110707582002025
10231532424300345
1167856393530523
1221b74650526135
139c2654c52305c
14412632ca2cb57
151bb7a52ab2a65
hexd293d7e78739

231532424300345 has 16 divisors (see below), whose sum is σ = 317550926748288. Its totient is φ = 158754718523520.

The previous prime is 231532424300267. The next prime is 231532424300389. The reversal of 231532424300345 is 543003424235132.

It is not a de Polignac number, because 231532424300345 - 232 = 231528129333049 is a prime.

It is a Duffinian number.

It is a Curzon 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, 215548796 + ... + 216620285.

It is an arithmetic number, because the mean of its divisors is an integer number (19846932921768).

Almost surely, 2231532424300345 is an apocalyptic number.

It is an amenable number.

231532424300345 is a deficient number, since it is larger than the sum of its proper divisors (86018502447943).

231532424300345 is a wasteful number, since it uses less digits than its factorization.

231532424300345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432184400.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 231532424300345 its reverse (543003424235132), we get a palindrome (774535848535477).

The spelling of 231532424300345 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred twenty-four million, three hundred thousand, three hundred forty-five".

Divisors: 1 5 7 35 15307 76535 107149 535745 432169081 2160845405 3025183567 15125917835 6615212122867 33076060614335 46306484860069 231532424300345