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131311106 = 298366791
BaseRepresentation
bin1111101001110…
…10011000000010
3100011002021222022
413310322120002
5232103423411
621010241442
73153061133
oct764723002
9304067868
10131311106
1168137a83
1237b86282
13212874a4
1413621c8a
15b7dbedb
hex7d3a602

131311106 has 8 divisors (see below), whose sum is σ = 197169984. Its totient is φ = 65587780.

The previous prime is 131311099. The next prime is 131311123. The reversal of 131311106 is 601113131.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31430 + ... + 35361.

It is an arithmetic number, because the mean of its divisors is an integer number (24646248).

Almost surely, 2131311106 is an apocalyptic number.

131311106 is a deficient number, since it is larger than the sum of its proper divisors (65858878).

131311106 is an equidigital number, since it uses as much as digits as its factorization.

131311106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67776.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 131311106 is about 11459.1058115370. The cubic root of 131311106 is about 508.2770333658.

Adding to 131311106 its reverse (601113131), we get a palindrome (732424237).

The spelling of 131311106 in words is "one hundred thirty-one million, three hundred eleven thousand, one hundred six".

Divisors: 1 2 983 1966 66791 133582 65655553 131311106