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313144043 = 2931068751
BaseRepresentation
bin10010101010100…
…011001011101011
3210211020100212112
4102222203023223
51120131102133
651023432535
710521452252
oct2252431353
9724210775
10313144043
11150841833
1288a5574b
134cb50744
142d835799
151c758648
hex12aa32eb

313144043 has 4 divisors (see below), whose sum is σ = 314213088. Its totient is φ = 312075000.

The previous prime is 313144021. The next prime is 313144081. The reversal of 313144043 is 340441313.

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 313144043 - 212 = 313139947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313144243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534083 + ... + 534668.

It is an arithmetic number, because the mean of its divisors is an integer number (78553272).

Almost surely, 2313144043 is an apocalyptic number.

313144043 is a deficient number, since it is larger than the sum of its proper divisors (1069045).

313144043 is a wasteful number, since it uses less digits than its factorization.

313144043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069044.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 313144043 is about 17695.8764405722. The cubic root of 313144043 is about 679.0702713647.

Adding to 313144043 its reverse (340441313), we get a palindrome (653585356).

It can be divided in two parts, 3131 and 44043, that added together give a palindrome (47174).

The spelling of 313144043 in words is "three hundred thirteen million, one hundred forty-four thousand, forty-three".

Divisors: 1 293 1068751 313144043