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31010214 = 235168369
BaseRepresentation
bin111011001001…
…0110110100110
32011100111000110
41312102312212
530414311324
63024353450
7524403534
oct166226646
964314013
1031010214
1116560484
12a475886
136569a51
144193154
152ac8329
hex1d92da6

31010214 has 8 divisors (see below), whose sum is σ = 62020440. Its totient is φ = 10336736.

The previous prime is 31010209. The next prime is 31010219. The reversal of 31010214 is 41201013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31010209) and next prime (31010219).

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

31010214 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 31010214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010219) 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, 2584179 + ... + 2584190.

It is an arithmetic number, because the mean of its divisors is an integer number (7752555).

Almost surely, 231010214 is an apocalyptic number.

31010214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31010214 is a wasteful number, since it uses less digits than its factorization.

31010214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168374.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 31010214 is about 5568.6815315656. The cubic root of 31010214 is about 314.1725625926.

Adding to 31010214 its reverse (41201013), we get a palindrome (72211227).

The spelling of 31010214 in words is "thirty-one million, ten thousand, two hundred fourteen".

Divisors: 1 2 3 6 5168369 10336738 15505107 31010214