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531361307 is a prime number
BaseRepresentation
bin11111101010111…
…110111000011011
31101000211221200102
4133222332320123
52042012030212
6124420530015
716111332221
oct3752767033
91330757612
10531361307
11252a37684
12129b5090b
1386115899
14507dab11
15319b05c2
hex1fabee1b

531361307 has 2 divisors, whose sum is σ = 531361308. Its totient is φ = 531361306.

The previous prime is 531361279. The next prime is 531361309. The reversal of 531361307 is 703163135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531361307 - 214 = 531344923 is a prime.

Together with 531361309, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531361307.

It is not a weakly prime, because it can be changed into another prime (531361309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265680653 + 265680654.

It is an arithmetic number, because the mean of its divisors is an integer number (265680654).

Almost surely, 2531361307 is an apocalyptic number.

531361307 is a deficient number, since it is larger than the sum of its proper divisors (1).

531361307 is an equidigital number, since it uses as much as digits as its factorization.

531361307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 531361307 is about 23051.2756046168. The cubic root of 531361307 is about 809.9595097374.

The spelling of 531361307 in words is "five hundred thirty-one million, three hundred sixty-one thousand, three hundred seven".