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315103551323 = 1117299120337
BaseRepresentation
bin1001001010111011010…
…00101001111101011011
31010010100002220221010212
410211131220221331123
520130313002120243
6400431230401335
731523362664561
oct4453550517533
91103302827125
10315103551323
111116a8815a20
125109b66024b
1323938c62a22
1411372ddda31
1582e362a318
hex495da29f5b

315103551323 has 12 divisors (see below), whose sum is σ = 365159325192. Its totient is φ = 269607313920.

The previous prime is 315103551281. The next prime is 315103551383. The reversal of 315103551323 is 323155301513.

It is not a de Polignac number, because 315103551323 - 234 = 297923682139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315103551323.

It is not an unprimeable number, because it can be changed into a prime (315103551383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49556990 + ... + 49563347.

It is an arithmetic number, because the mean of its divisors is an integer number (30429943766).

Almost surely, 2315103551323 is an apocalyptic number.

315103551323 is a deficient number, since it is larger than the sum of its proper divisors (50055773869).

315103551323 is a wasteful number, since it uses less digits than its factorization.

315103551323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99120382 (or 99120365 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 32.

Adding to 315103551323 its reverse (323155301513), we get a palindrome (638258852836).

The spelling of 315103551323 in words is "three hundred fifteen billion, one hundred three million, five hundred fifty-one thousand, three hundred twenty-three".

Divisors: 1 11 17 187 289 3179 99120337 1090323707 1685045729 18535503019 28645777393 315103551323