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244440234431 is a prime number
BaseRepresentation
bin1110001110100111000…
…1011111100110111111
3212100221110102111112222
43203221301133212333
513001103200000211
6304143322315555
723442312465461
oct3435161374677
9770843374488
10244440234431
119473715a078
123b45a658bbb
131a087280b93
14bb8c27c131
156559b911db
hex38e9c5f9bf

244440234431 has 2 divisors, whose sum is σ = 244440234432. Its totient is φ = 244440234430.

The previous prime is 244440234421. The next prime is 244440234461. The reversal of 244440234431 is 134432044442.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244440234431 is a prime.

It is a super-2 number, since 2×2444402344312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244440234391 and 244440234400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244440234421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122220117215 + 122220117216.

It is an arithmetic number, because the mean of its divisors is an integer number (122220117216).

Almost surely, 2244440234431 is an apocalyptic number.

244440234431 is a deficient number, since it is larger than the sum of its proper divisors (1).

244440234431 is an equidigital number, since it uses as much as digits as its factorization.

244440234431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 244440234431 its reverse (134432044442), we get a palindrome (378872278873).

The spelling of 244440234431 in words is "two hundred forty-four billion, four hundred forty million, two hundred thirty-four thousand, four hundred thirty-one".