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431103349 is a prime number
BaseRepresentation
bin11001101100100…
…001110101110101
31010001012022121201
4121230201311311
51340330301344
6110440012501
713453214035
oct3154416565
91101168551
10431103349
1120138a366
12100461131
136b411851
144137d8c5
1527ca94d4
hex19b21d75

431103349 has 2 divisors, whose sum is σ = 431103350. Its totient is φ = 431103348.

The previous prime is 431103313. The next prime is 431103367. The reversal of 431103349 is 943301134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289612324 + 141491025 = 17018^2 + 11895^2 .

It is a cyclic number.

It is not a de Polignac number, because 431103349 - 221 = 429006197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431103389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215551674 + 215551675.

It is an arithmetic number, because the mean of its divisors is an integer number (215551675).

Almost surely, 2431103349 is an apocalyptic number.

It is an amenable number.

431103349 is a deficient number, since it is larger than the sum of its proper divisors (1).

431103349 is an equidigital number, since it uses as much as digits as its factorization.

431103349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 431103349 is about 20763.0284159127. The cubic root of 431103349 is about 755.4292540235.

The spelling of 431103349 in words is "four hundred thirty-one million, one hundred three thousand, three hundred forty-nine".