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31002314 = 274154011
BaseRepresentation
bin111011001000…
…0111011001010
32011100002011212
41312100323022
530414033224
63024253122
7524341520
oct166207312
964302155
1031002314
1116555552
12a4711a2
136566285
144190310
152ac5d0e
hex1d90eca

31002314 has 16 divisors (see below), whose sum is σ = 54444096. Its totient is φ = 12962400.

The previous prime is 31002313. The next prime is 31002331. The reversal of 31002314 is 41320013.

It is a super-2 number, since 2×310023142 = 1922286946709192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31002311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26432 + ... + 27579.

It is an arithmetic number, because the mean of its divisors is an integer number (3402756).

Almost surely, 231002314 is an apocalyptic number.

31002314 is a deficient number, since it is larger than the sum of its proper divisors (23441782).

31002314 is a wasteful number, since it uses less digits than its factorization.

31002314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54061.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 31002314 is about 5567.9721622867. The cubic root of 31002314 is about 314.1458813402.

Adding to 31002314 its reverse (41320013), we get a palindrome (72322327).

The spelling of 31002314 in words is "thirty-one million, two thousand, three hundred fourteen".

Divisors: 1 2 7 14 41 82 287 574 54011 108022 378077 756154 2214451 4428902 15501157 31002314