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431231341 is a prime number
BaseRepresentation
bin11001101101000…
…001000101101101
31010001102211012011
4121231001011231
51340343400331
6110442441221
713454256142
oct3155010555
91101384164
10431231341
11201467542
12100503211
136b457b98
14413b43c9
1527cd23b1
hex19b4116d

431231341 has 2 divisors, whose sum is σ = 431231342. Its totient is φ = 431231340.

The previous prime is 431231327. The next prime is 431231357. The reversal of 431231341 is 143132134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318765316 + 112466025 = 17854^2 + 10605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-431231341 is a 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 (431231321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215615670 + 215615671.

It is an arithmetic number, because the mean of its divisors is an integer number (215615671).

Almost surely, 2431231341 is an apocalyptic number.

It is an amenable number.

431231341 is a deficient number, since it is larger than the sum of its proper divisors (1).

431231341 is an equidigital number, since it uses as much as digits as its factorization.

431231341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 431231341 is about 20766.1103965090. The cubic root of 431231341 is about 755.5040074317.

Adding to 431231341 its reverse (143132134), we get a palindrome (574363475).

It can be divided in two parts, 4312 and 31341, that added together give a palindrome (35653).

The spelling of 431231341 in words is "four hundred thirty-one million, two hundred thirty-one thousand, three hundred forty-one".