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31434314 = 215717157
BaseRepresentation
bin111011111101…
…0011001001010
32012011000202212
41313322121022
531021344224
63041425122
7531121142
oct167723112
965130685
1031434314
111682007a
12a63b1a2
136687ab2
144263922
152b5dd0e
hex1dfa64a

31434314 has 4 divisors (see below), whose sum is σ = 47151474. Its totient is φ = 15717156.

The previous prime is 31434287. The next prime is 31434329. The reversal of 31434314 is 41343413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41343413 = 42539721.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 5678689 = 5075^2 + 2383^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31434314.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7858577 + ... + 7858580.

Almost surely, 231434314 is an apocalyptic number.

31434314 is a deficient number, since it is larger than the sum of its proper divisors (15717160).

31434314 is a wasteful number, since it uses less digits than its factorization.

31434314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15717159.

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

The square root of 31434314 is about 5606.6312523654. The cubic root of 31434314 is about 315.5983052154.

Adding to 31434314 its reverse (41343413), we get a palindrome (72777727).

Subtracting 31434314 from its reverse (41343413), we obtain a palindrome (9909099).

The spelling of 31434314 in words is "thirty-one million, four hundred thirty-four thousand, three hundred fourteen".

Divisors: 1 2 15717157 31434314