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361230431 is a prime number
BaseRepresentation
bin10101100001111…
…111000001011111
3221011201101222212
4111201333001133
51214433333211
655502231035
711644256642
oct2541770137
9834641885
10361230431
111759a5851
12a0b8547b
1359ab8b23
1435d91a59
1521aa638b
hex1587f05f

361230431 has 2 divisors, whose sum is σ = 361230432. Its totient is φ = 361230430.

The previous prime is 361230427. The next prime is 361230461. The reversal of 361230431 is 134032163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 361230431 - 22 = 361230427 is a prime.

It is a super-2 number, since 2×3612304312 = 260974848560891522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 361230397 and 361230406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361230421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180615215 + 180615216.

It is an arithmetic number, because the mean of its divisors is an integer number (180615216).

Almost surely, 2361230431 is an apocalyptic number.

361230431 is a deficient number, since it is larger than the sum of its proper divisors (1).

361230431 is an equidigital number, since it uses as much as digits as its factorization.

361230431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 361230431 is about 19006.0630063146. The cubic root of 361230431 is about 712.1882044396.

Adding to 361230431 its reverse (134032163), we get a palindrome (495262594).

It can be divided in two parts, 3612 and 30431, that added together give a palindrome (34043).

The spelling of 361230431 in words is "three hundred sixty-one million, two hundred thirty thousand, four hundred thirty-one".