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34401431 is a prime number
BaseRepresentation
bin1000001100111…
…0110010010111
32101201202220002
42003032302113
532301321211
63225201515
7565256501
oct203166227
971652802
1034401431
1118467339
12b63029b
13718649c
1447d6d71
15304803b
hex20cec97

34401431 has 2 divisors, whose sum is σ = 34401432. Its totient is φ = 34401430.

The previous prime is 34401427. The next prime is 34401439. The reversal of 34401431 is 13410443.

It is a happy number.

34401431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34401431 - 22 = 34401427 is a prime.

It is a super-2 number, since 2×344014312 = 2366916909695522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34401439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17200715 + 17200716.

It is an arithmetic number, because the mean of its divisors is an integer number (17200716).

Almost surely, 234401431 is an apocalyptic number.

34401431 is a deficient number, since it is larger than the sum of its proper divisors (1).

34401431 is an equidigital number, since it uses as much as digits as its factorization.

34401431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 34401431 is about 5865.2733099149. The cubic root of 34401431 is about 325.2311759570.

Adding to 34401431 its reverse (13410443), we get a palindrome (47811874).

The spelling of 34401431 in words is "thirty-four million, four hundred one thousand, four hundred thirty-one".