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115203031452231 = 3291709774823157
BaseRepresentation
bin11010001100011011001011…
…110001000100101001000111
3120002220022011100011022201020
4122030123023301010221013
5110044441302022432411
61045003313025002223
733160100341246122
oct3214331361045107
9502808140138636
10115203031452231
1133786370a10878
1210b07152183373
134c387a372c0b8
142063bdc23b3b9
15d4ba665b1606
hex68c6cbc44a47

115203031452231 has 16 divisors (see below), whose sum is σ = 158993712021600. Its totient is φ = 74110285225088.

The previous prime is 115203031452221. The next prime is 115203031452361. The reversal of 115203031452231 is 132254130302511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115203031452231 - 226 = 115202964343367 is a prime.

It is a super-2 number, since 2×1152030314522312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115203031452192 and 115203031452201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115203031452211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387262896 + ... + 387560261.

It is an arithmetic number, because the mean of its divisors is an integer number (9937107001350).

Almost surely, 2115203031452231 is an apocalyptic number.

115203031452231 is a deficient number, since it is larger than the sum of its proper divisors (43790680569369).

115203031452231 is a wasteful number, since it uses less digits than its factorization.

115203031452231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774824898.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 115203031452231 its reverse (132254130302511), we get a palindrome (247457161754742).

The spelling of 115203031452231 in words is "one hundred fifteen trillion, two hundred three billion, thirty-one million, four hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 3 29 87 1709 5127 49561 148683 774823157 2324469471 22469871553 67409614659 1324172775313 3972518325939 38401010484077 115203031452231