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314440031 is a prime number
BaseRepresentation
bin10010101111011…
…111100101011111
3210220200012122002
4102233133211133
51120444040111
651111312515
710535460533
oct2257374537
9726605562
10314440031
111515474a4
128937b73b
13501b55b9
142da91bc3
151c91263b
hex12bdf95f

314440031 has 2 divisors, whose sum is σ = 314440032. Its totient is φ = 314440030.

The previous prime is 314440019. The next prime is 314440067. The reversal of 314440031 is 130044413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-314440031 is a prime.

It is a super-2 number, since 2×3144400312 = 197745066190561922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 314439985 and 314440012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314440081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157220015 + 157220016.

It is an arithmetic number, because the mean of its divisors is an integer number (157220016).

Almost surely, 2314440031 is an apocalyptic number.

314440031 is a deficient number, since it is larger than the sum of its proper divisors (1).

314440031 is an equidigital number, since it uses as much as digits as its factorization.

314440031 is an evil number, because the sum of its binary digits is even.

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

The square root of 314440031 is about 17732.4569927577. The cubic root of 314440031 is about 680.0057893106.

Adding to 314440031 its reverse (130044413), we get a palindrome (444484444).

The spelling of 314440031 in words is "three hundred fourteen million, four hundred forty thousand, thirty-one".