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31305314 = 237694153
BaseRepresentation
bin111011101101…
…0111001100010
32011220110211002
41313122321202
531003232224
63034552002
7530043065
oct167327142
964813732
1031305314
1116742167
12a598602
136641171
14422c8dc
152b359ae
hex1ddae62

31305314 has 8 divisors (see below), whose sum is σ = 46981740. Its totient is φ = 15644736.

The previous prime is 31305301. The next prime is 31305349. The reversal of 31305314 is 41350313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30525625 + 779689 = 5525^2 + 883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5462 + ... + 9614.

Almost surely, 231305314 is an apocalyptic number.

31305314 is a deficient number, since it is larger than the sum of its proper divisors (15676426).

31305314 is a wasteful number, since it uses less digits than its factorization.

31305314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 31305314 is about 5595.1151909500. The cubic root of 31305314 is about 315.1659963254.

Adding to 31305314 its reverse (41350313), we get a palindrome (72655627).

The spelling of 31305314 in words is "thirty-one million, three hundred five thousand, three hundred fourteen".

Divisors: 1 2 3769 4153 7538 8306 15652657 31305314