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5231431 is a prime number
BaseRepresentation
bin10011111101001101000111
3100211210011201
4103331031013
52314401211
6304043331
762315662
oct23751507
910753151
105231431
112a534a7
121903547
13111222a
149a26d9
156d50c1
hex4fd347

5231431 has 2 divisors, whose sum is σ = 5231432. Its totient is φ = 5231430.

The previous prime is 5231417. The next prime is 5231453. The reversal of 5231431 is 1341325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5231431 - 215 = 5198663 is a prime.

It is a super-2 number, since 2×52314312 = 54735740615522, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 5231399 and 5231408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5231411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615715 + 2615716.

It is an arithmetic number, because the mean of its divisors is an integer number (2615716).

Almost surely, 25231431 is an apocalyptic number.

5231431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231431 is an equidigital number, since it uses as much as digits as its factorization.

5231431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 19.

The square root of 5231431 is about 2287.2321701130. The cubic root of 5231431 is about 173.5961811721.

Adding to 5231431 its reverse (1341325), we get a palindrome (6572756).

The spelling of 5231431 in words is "five million, two hundred thirty-one thousand, four hundred thirty-one".