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131102 = 265551
BaseRepresentation
bin100000000000011110
320122211122
4200000132
513143402
62450542
71054136
oct400036
9218748
10131102
118a554
1263a52
134789a
1435ac6
1528ca2
hex2001e

131102 has 4 divisors (see below), whose sum is σ = 196656. Its totient is φ = 65550.

The previous prime is 131101. The next prime is 131111. The reversal of 131102 is 201131.

131102 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 1 + 33 + 1 + 1 + 0 + 217 .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 131102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32774 + ... + 32777.

It is an arithmetic number, because the mean of its divisors is an integer number (49164).

2131102 is an apocalyptic number.

131102 is a deficient number, since it is larger than the sum of its proper divisors (65554).

131102 is an equidigital number, since it uses as much as digits as its factorization.

131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65553.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 131102 is about 362.0801016350. The cubic root of 131102 is about 50.8007088582.

Adding to 131102 its reverse (201131), we get a palindrome (332233).

The spelling of 131102 in words is "one hundred thirty-one thousand, one hundred two".

Divisors: 1 2 65551 131102