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115134331 = 138856487
BaseRepresentation
bin1101101110011…
…00111101111011
322000122102121111
412313030331323
5213433244311
615231421151
72565424414
oct667147573
9260572544
10115134331
1159a99144
12326847b7
131ab12330
141141080b
15a193d21
hex6dccf7b

115134331 has 4 divisors (see below), whose sum is σ = 123990832. Its totient is φ = 106277832.

The previous prime is 115134317. The next prime is 115134337. The reversal of 115134331 is 133431511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133431511 = 1069124819.

It is a cyclic number.

It is not a de Polignac number, because 115134331 - 27 = 115134203 is a prime.

It is a super-2 number, since 2×1151343312 = 26511828349635122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115134337) 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 3 ways as a sum of consecutive naturals, for example, 4428231 + ... + 4428256.

It is an arithmetic number, because the mean of its divisors is an integer number (30997708).

Almost surely, 2115134331 is an apocalyptic number.

115134331 is a deficient number, since it is larger than the sum of its proper divisors (8856501).

115134331 is an equidigital number, since it uses as much as digits as its factorization.

115134331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856500.

The product of its digits is 540, while the sum is 22.

The square root of 115134331 is about 10730.0666819922. The cubic root of 115134331 is about 486.4836855623.

Adding to 115134331 its reverse (133431511), we get a palindrome (248565842).

The spelling of 115134331 in words is "one hundred fifteen million, one hundred thirty-four thousand, three hundred thirty-one".

Divisors: 1 13 8856487 115134331