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514731031 is a prime number
BaseRepresentation
bin11110101011100…
…010110000010111
31022212120001020021
4132223202300113
52023232343111
6123024250011
715520066363
oct3653426027
91285501207
10514731031
11244609051
12124470907
1382842199
144c50c2a3
15302c7d71
hex1eae2c17

514731031 has 2 divisors, whose sum is σ = 514731032. Its totient is φ = 514731030.

The previous prime is 514731029. The next prime is 514731073. The reversal of 514731031 is 130137415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 514731031 - 21 = 514731029 is a prime.

It is a super-2 number, since 2×5147310312 = 529896068548645922, which contains 22 as substring.

Together with 514731029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 514730987 and 514731005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514731001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257365515 + 257365516.

It is an arithmetic number, because the mean of its divisors is an integer number (257365516).

Almost surely, 2514731031 is an apocalyptic number.

514731031 is a deficient number, since it is larger than the sum of its proper divisors (1).

514731031 is an equidigital number, since it uses as much as digits as its factorization.

514731031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 514731031 is about 22687.6845667424. The cubic root of 514731031 is about 801.4198903774.

Adding to 514731031 its reverse (130137415), we get a palindrome (644868446).

The spelling of 514731031 in words is "five hundred fourteen million, seven hundred thirty-one thousand, thirty-one".