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115030531131 = 3291322190013
BaseRepresentation
bin110101100100001011…
…0101001110000111011
3101222220200020102202220
41223020112221300323
53341040303444011
6124502211255123
711211364244655
oct1531026516073
9358820212686
10115030531131
114486981065a
121a3635aa4a3
13ab02788449
1457d33516d5
152ed3a80506
hex1ac85a9c3b

115030531131 has 8 divisors (see below), whose sum is σ = 158662801680. Its totient is φ = 74042640672.

The previous prime is 115030531111. The next prime is 115030531141. The reversal of 115030531131 is 131135030511.

It is a happy number.

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

It is not a de Polignac number, because 115030531131 - 213 = 115030522939 is a prime.

It is a super-2 number, since 2×1150305311312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115030531111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 661094920 + ... + 661095093.

It is an arithmetic number, because the mean of its divisors is an integer number (19832850210).

Almost surely, 2115030531131 is an apocalyptic number.

115030531131 is a deficient number, since it is larger than the sum of its proper divisors (43632270549).

115030531131 is a wasteful number, since it uses less digits than its factorization.

115030531131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322190045.

The product of its (nonzero) digits is 675, while the sum is 24.

Adding to 115030531131 its reverse (131135030511), we get a palindrome (246165561642).

The spelling of 115030531131 in words is "one hundred fifteen billion, thirty million, five hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 29 87 1322190013 3966570039 38343510377 115030531131