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431142314 = 22319348563
BaseRepresentation
bin11001101100101…
…011010110101010
31010001021022001212
4121230223112222
51340333023224
6110440513122
713453435451
oct3154532652
91101238055
10431142314
11201406669
1210047b7a2
136b4264c5
144138db98
1527cb5d0e
hex19b2b5aa

431142314 has 16 divisors (see below), whose sum is σ = 678341952. Its totient is φ = 205125888.

The previous prime is 431142289. The next prime is 431142329. The reversal of 431142314 is 413241134.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 431142314.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15404 + ... + 33159.

It is an arithmetic number, because the mean of its divisors is an integer number (42396372).

Almost surely, 2431142314 is an apocalyptic number.

431142314 is a deficient number, since it is larger than the sum of its proper divisors (247199638).

431142314 is a wasteful number, since it uses less digits than its factorization.

431142314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48781.

The product of its digits is 1152, while the sum is 23.

The square root of 431142314 is about 20763.9667212216. The cubic root of 431142314 is about 755.4520130009.

Adding to 431142314 its reverse (413241134), we get a palindrome (844383448).

The spelling of 431142314 in words is "four hundred thirty-one million, one hundred forty-two thousand, three hundred fourteen".

Divisors: 1 2 23 46 193 386 4439 8878 48563 97126 1116949 2233898 9372659 18745318 215571157 431142314