Search a number
-
+
131331531230415 = 3252918478471787
BaseRepresentation
bin11101110111001000000001…
…010001000100110011001111
3122020000011122012221012121200
4131313020001101010303033
5114203213433443333130
61143152512245200543
736443250526341465
oct3567100121046317
9566004565835550
10131331531230415
113893443163452a
1212890b20100153
13583868304c9c9
1424606a12a4835
15102b37b760760
hex777201444ccf

131331531230415 has 12 divisors (see below), whose sum is σ = 227641320799464. Its totient is φ = 70043483322864.

The previous prime is 131331531230327. The next prime is 131331531230437. The reversal of 131331531230415 is 514032135133131.

131331531230415 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 3 + 1 + 5 + 3 + 1 + 230 + 415 = 666.

It is not a de Polignac number, because 131331531230415 - 213 = 131331531222223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131331531230415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1459239235849 + ... + 1459239235938.

It is an arithmetic number, because the mean of its divisors is an integer number (18970110066622).

Almost surely, 2131331531230415 is an apocalyptic number.

131331531230415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131331531230415 is a deficient number, since it is larger than the sum of its proper divisors (96309789569049).

131331531230415 is a wasteful number, since it uses less digits than its factorization.

131331531230415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918478471798 (or 2918478471795 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 131331531230415 its reverse (514032135133131), we get a palindrome (645363666363546).

The spelling of 131331531230415 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, five hundred thirty-one million, two hundred thirty thousand, four hundred fifteen".

Divisors: 1 3 5 9 15 45 2918478471787 8755435415361 14592392358935 26266306246083 43777177076805 131331531230415