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131320102 = 265660051
BaseRepresentation
bin1111101001111…
…00100100100110
3100011002202022111
413310330210212
5232104220402
621010351234
73153126304
oct764744446
9304082274
10131320102
1168143811
1237b8b51a
132128b604
1413625274
15b7de9d7
hex7d3c926

131320102 has 4 divisors (see below), whose sum is σ = 196980156. Its totient is φ = 65660050.

The previous prime is 131320093. The next prime is 131320139. The reversal of 131320102 is 201023131.

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

It is a super-3 number, since 3×1313201023 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32830024 + ... + 32830027.

It is an arithmetic number, because the mean of its divisors is an integer number (49245039).

Almost surely, 2131320102 is an apocalyptic number.

131320102 is a deficient number, since it is larger than the sum of its proper divisors (65660054).

131320102 is an equidigital number, since it uses as much as digits as its factorization.

131320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65660053.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131320102 is about 11459.4983310789. The cubic root of 131320102 is about 508.2886402941.

Adding to 131320102 its reverse (201023131), we get a palindrome (332343233).

The spelling of 131320102 in words is "one hundred thirty-one million, three hundred twenty thousand, one hundred two".

Divisors: 1 2 65660051 131320102