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31123304114 = 274874564873
BaseRepresentation
bin11100111111000101…
…111110111010110010
32222100000222122221012
4130333011332322302
51002220031212424
622144200230522
72151156501650
oct347705767262
988300878835
1031123304114
1112221326041
12604716b442
132c200150a6
1417136d1dd0
15c22564b0e
hex73f17eeb2

31123304114 has 16 divisors (see below), whose sum is σ = 53463804288. Its totient is φ = 13311166752.

The previous prime is 31123304101. The next prime is 31123304117. The reversal of 31123304114 is 41140332113.

It is a self number, because there is not a number n which added to its sum of digits gives 31123304114.

It is not an unprimeable number, because it can be changed into a prime (31123304117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275619 + ... + 2289254.

It is an arithmetic number, because the mean of its divisors is an integer number (3341487768).

Almost surely, 231123304114 is an apocalyptic number.

31123304114 is a deficient number, since it is larger than the sum of its proper divisors (22340500174).

31123304114 is a wasteful number, since it uses less digits than its factorization.

31123304114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565369.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31123304114 its reverse (41140332113), we get a palindrome (72263636227).

The spelling of 31123304114 in words is "thirty-one billion, one hundred twenty-three million, three hundred four thousand, one hundred fourteen".

Divisors: 1 2 7 14 487 974 3409 6818 4564873 9129746 31954111 63908222 2223093151 4446186302 15561652057 31123304114