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31363214 = 223681809
BaseRepresentation
bin111011110100…
…1000010001110
32012000102020112
41313221002032
531012110324
63040120022
7530403641
oct167510216
965012215
1031363214
1116781713
12a606012
13666161c
144245a58
152b47c0e
hex1de908e

31363214 has 8 divisors (see below), whose sum is σ = 49090320. Its totient is φ = 14999776.

The previous prime is 31363201. The next prime is 31363217. The reversal of 31363214 is 41236313.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 31363214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31363217) 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 3 ways as a sum of consecutive naturals, for example, 340859 + ... + 340950.

It is an arithmetic number, because the mean of its divisors is an integer number (6136290).

Almost surely, 231363214 is an apocalyptic number.

31363214 is a deficient number, since it is larger than the sum of its proper divisors (17727106).

31363214 is a wasteful number, since it uses less digits than its factorization.

31363214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681834.

The product of its digits is 1296, while the sum is 23.

The square root of 31363214 is about 5600.2869569335. The cubic root of 31363214 is about 315.3601792535.

Adding to 31363214 its reverse (41236313), we get a palindrome (72599527).

The spelling of 31363214 in words is "thirty-one million, three hundred sixty-three thousand, two hundred fourteen".

Divisors: 1 2 23 46 681809 1363618 15681607 31363214