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34321431 = 311440477
BaseRepresentation
bin1000001011101…
…1010000010111
32101120201011010
42002323100113
532241241211
63223343303
7564504324
oct202732027
971521133
1034321431
1118412221
12b5b1b33
137158c51
1447b5b4b
15302e4a6
hex20bb417

34321431 has 4 divisors (see below), whose sum is σ = 45761912. Its totient is φ = 22880952.

The previous prime is 34321403. The next prime is 34321457. The reversal of 34321431 is 13412343.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 34321431 - 26 = 34321367 is a prime.

It is a super-2 number, since 2×343214312 = 2355921251775522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34321398 and 34321407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34321031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5720236 + ... + 5720241.

It is an arithmetic number, because the mean of its divisors is an integer number (11440478).

Almost surely, 234321431 is an apocalyptic number.

34321431 is a deficient number, since it is larger than the sum of its proper divisors (11440481).

34321431 is a wasteful number, since it uses less digits than its factorization.

34321431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440480.

The product of its digits is 864, while the sum is 21.

The square root of 34321431 is about 5858.4495389139. The cubic root of 34321431 is about 324.9788735774.

Adding to 34321431 its reverse (13412343), we get a palindrome (47733774).

The spelling of 34321431 in words is "thirty-four million, three hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 3 11440477 34321431