Search a number
-
+
131300310 = 23510940153
BaseRepresentation
bin1111101001101…
…11101111010110
3100011001202011110
413310313233112
5232103102220
621010115450
73153014511
oct764675726
9304052143
10131300310
116812a959
1237b7bb86
13212825bb
141361bd78
15b7d8be0
hex7d37bd6

131300310 has 32 divisors (see below), whose sum is σ = 318019680. Its totient is φ = 34691328.

The previous prime is 131300297. The next prime is 131300329. The reversal of 131300310 is 13003131.

It is a super-2 number, since 2×1313003102 = 34479542812192200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16807 + ... + 23346.

It is an arithmetic number, because the mean of its divisors is an integer number (9938115).

Almost surely, 2131300310 is an apocalyptic number.

131300310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131300310 is an abundant number, since it is smaller than the sum of its proper divisors (186719370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131300310 is a wasteful number, since it uses less digits than its factorization.

131300310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40272.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 131300310 is about 11458.6347354299. The cubic root of 131300310 is about 508.2631033198.

Adding to 131300310 its reverse (13003131), we get a palindrome (144303441).

The spelling of 131300310 in words is "one hundred thirty-one million, three hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 40153 80306 120459 200765 240918 401530 602295 1204590 4376677 8753354 13130031 21883385 26260062 43766770 65650155 131300310