Search a number
-
+
131030301109 = 4722912174143
BaseRepresentation
bin111101000001000000…
…0111011100110110101
3110112012201121222001011
41322002000323212311
54121322224113414
6140110002032221
712316024116451
oct1720200734665
9415181558034
10131030301109
115062a209654
1221489948671
13c482490a66
1464b0263661
15361d52cdc4
hex1e8203b9b5

131030301109 has 8 divisors (see below), whose sum is σ = 134402549760. Its totient is φ = 127682401296.

The previous prime is 131030301091. The next prime is 131030301151. The reversal of 131030301109 is 901103030131.

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

It is a cyclic number.

It is not a de Polignac number, because 131030301109 - 219 = 131029776821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131030301109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030301169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6076309 + ... + 6097834.

It is an arithmetic number, because the mean of its divisors is an integer number (16800318720).

Almost surely, 2131030301109 is an apocalyptic number.

It is an amenable number.

131030301109 is a deficient number, since it is larger than the sum of its proper divisors (3372248651).

131030301109 is a wasteful number, since it uses less digits than its factorization.

131030301109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12174419.

The product of its (nonzero) digits is 243, while the sum is 22.

The spelling of 131030301109 in words is "one hundred thirty-one billion, thirty million, three hundred one thousand, one hundred nine".

Divisors: 1 47 229 10763 12174143 572184721 2787878747 131030301109