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23131303255233 = 3353109314789051
BaseRepresentation
bin1010100001001101011010…
…00111010001110011000001
310000220022221021222020211000
411100212231013101303001
511012440402113131413
6121110212442042213
74605116154362205
oct520465507216301
9100808837866730
1023131303255233
117408a26723888
1227170027a9369
13cba3709c2cb4
1459d7bd74ab05
152a1a71a73073
hex1509ad1d1cc1

23131303255233 has 32 divisors (see below), whose sum is σ = 34947121438080. Its totient is φ = 15116065473600.

The previous prime is 23131303255201. The next prime is 23131303255253. The reversal of 23131303255233 is 33255230313132.

23131303255233 is a `hidden beast` number, since 2 + 3 + 13 + 1 + 30 + 32 + 552 + 33 = 666.

It is not a de Polignac number, because 23131303255233 - 25 = 23131303255201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131303255253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5830443 + ... + 8958608.

It is an arithmetic number, because the mean of its divisors is an integer number (1092097544940).

Almost surely, 223131303255233 is an apocalyptic number.

It is an amenable number.

23131303255233 is a deficient number, since it is larger than the sum of its proper divisors (11815818182847).

23131303255233 is a wasteful number, since it uses less digits than its factorization.

23131303255233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790206 (or 14790200 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 36.

Adding to 23131303255233 its reverse (33255230313132), we get a palindrome (56386533568365).

The spelling of 23131303255233 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred three million, two hundred fifty-five thousand, two hundred thirty-three".

Divisors: 1 3 9 27 53 159 477 1093 1431 3279 9837 29511 57929 173787 521361 1564083 14789051 44367153 133101459 399304377 783819703 2351459109 7054377327 16164432743 21163131981 48493298229 145479894687 436439684061 856714935379 2570144806137 7710434418411 23131303255233