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431304330423 = 31934921681211
BaseRepresentation
bin1100100011010111011…
…11011100110010110111
31112020021100012010100010
412101223233130302313
524031302402033143
6530045524351303
743106060214321
oct6215357346267
91466240163303
10431304330423
11156a0806115a
126b70ab45533
1331896cc6495
1416c37938611
15b344cbaa33
hex646bbdccb7

431304330423 has 16 divisors (see below), whose sum is σ = 607073936000. Its totient is φ = 271622198880.

The previous prime is 431304330403. The next prime is 431304330449. The reversal of 431304330423 is 324033403134.

It is not a de Polignac number, because 431304330423 - 213 = 431304322231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431304330403) 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, 10820713 + ... + 10860498.

It is an arithmetic number, because the mean of its divisors is an integer number (37942121000).

Almost surely, 2431304330423 is an apocalyptic number.

431304330423 is a deficient number, since it is larger than the sum of its proper divisors (175769605577).

431304330423 is a wasteful number, since it uses less digits than its factorization.

431304330423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681582.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 431304330423 its reverse (324033403134), we get a palindrome (755337733557).

The spelling of 431304330423 in words is "four hundred thirty-one billion, three hundred four million, three hundred thirty thousand, four hundred twenty-three".

Divisors: 1 3 19 57 349 1047 6631 19893 21681211 65043633 411943009 1235829027 7566742639 22700227917 143768110141 431304330423