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344023031 = 1131274821
BaseRepresentation
bin10100100000010…
…101111111110111
3212222100011212202
4110200111333313
51201032214111
654045335115
711345101412
oct2440257767
9788304782
10344023031
11167212660
129726749b
1356372831
1433992b79
1520307b3b
hex14815ff7

344023031 has 4 divisors (see below), whose sum is σ = 375297864. Its totient is φ = 312748200.

The previous prime is 344023021. The next prime is 344023039. The reversal of 344023031 is 130320443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344023031 - 26 = 344022967 is a prime.

It is a super-2 number, since 2×3440230312 = 236703691716853922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344022994 and 344023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344023039) 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 in 3 ways as a sum of consecutive naturals, for example, 15637400 + ... + 15637421.

It is an arithmetic number, because the mean of its divisors is an integer number (93824466).

Almost surely, 2344023031 is an apocalyptic number.

344023031 is a deficient number, since it is larger than the sum of its proper divisors (31274833).

344023031 is a wasteful number, since it uses less digits than its factorization.

344023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31274832.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 344023031 is about 18547.8578547497. The cubic root of 344023031 is about 700.6952486975.

Adding to 344023031 its reverse (130320443), we get a palindrome (474343474).

The spelling of 344023031 in words is "three hundred forty-four million, twenty-three thousand, thirty-one".

Divisors: 1 11 31274821 344023031