Search a number
-
+
131330500042351 = 179049018537203
BaseRepresentation
bin11101110111000111000011…
…110011011001111001101111
3122020000001222100120102112011
4131313013003303121321233
5114203204331002323401
61143152222051222051
736443213135363341
oct3567070363317157
9566001870512464
10131330500042351
1138933a52549695
12128908928a7927
13583854a512b5c
142460604359291
15102b31ae6d451
hex7771c3cd9e6f

131330500042351 has 8 divisors (see below), whose sum is σ = 139055993532144. Its totient is φ = 123605025436800.

The previous prime is 131330500042321. The next prime is 131330500042433. The reversal of 131330500042351 is 153240005033131.

It is a happy number.

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 131330500042351 - 25 = 131330500042319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330500042321) 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, 11114716 + ... + 19651918.

It is an arithmetic number, because the mean of its divisors is an integer number (17381999191518).

Almost surely, 2131330500042351 is an apocalyptic number.

131330500042351 is a deficient number, since it is larger than the sum of its proper divisors (7725493489793).

131330500042351 is an equidigital number, since it uses as much as digits as its factorization.

131330500042351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442121.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 131330500042351 its reverse (153240005033131), we get a palindrome (284570505075482).

The spelling of 131330500042351 in words is "one hundred thirty-one trillion, three hundred thirty billion, five hundred million, forty-two thousand, three hundred fifty-one".

Divisors: 1 17 904901 8537203 15383317 145132451 7725323531903 131330500042351