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31320134306 = 259265424867
BaseRepresentation
bin11101001010110100…
…110101001010100010
32222211202100200012022
4131022310311022202
51003120423244211
622215511101442
72156066514626
oct351264651242
988752320168
1031320134306
111231244351a
1260a1071882
132c51a2c666
1417318cb186
15c34994bdb
hex74ad352a2

31320134306 has 8 divisors (see below), whose sum is σ = 47776476240. Its totient is φ = 15394642228.

The previous prime is 31320134281. The next prime is 31320134317. The reversal of 31320134306 is 60343102313.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132712316 + ... + 132712551.

It is an arithmetic number, because the mean of its divisors is an integer number (5972059530).

Almost surely, 231320134306 is an apocalyptic number.

31320134306 is a deficient number, since it is larger than the sum of its proper divisors (16456341934).

31320134306 is a wasteful number, since it uses less digits than its factorization.

31320134306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265424928.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31320134306 its reverse (60343102313), we get a palindrome (91663236619).

The spelling of 31320134306 in words is "thirty-one billion, three hundred twenty million, one hundred thirty-four thousand, three hundred six".

Divisors: 1 2 59 118 265424867 530849734 15660067153 31320134306