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11023100231 = 1113252130577
BaseRepresentation
bin10100100010000011…
…10010100101000111
31001110012220111210112
422101001302211013
5140033403201411
65021451143235
7540106543313
oct122101624507
931405814715
1011023100231
1147472863a0
122177744b1b
131068954c20
14767da4b43
15447b03b8b
hex291072947

11023100231 has 16 divisors (see below), whose sum is σ = 12955776288. Its totient is φ = 9246182400.

The previous prime is 11023100227. The next prime is 11023100239. The reversal of 11023100231 is 13200132011.

It is not a de Polignac number, because 11023100231 - 22 = 11023100227 is a prime.

It is a super-2 number, since 2×110231002312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023100239) 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, 345215 + ... + 375791.

It is an arithmetic number, because the mean of its divisors is an integer number (809736018).

Almost surely, 211023100231 is an apocalyptic number.

11023100231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11023100231 is a deficient number, since it is larger than the sum of its proper divisors (1932676057).

11023100231 is a wasteful number, since it uses less digits than its factorization.

11023100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33122.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11023100231 its reverse (13200132011), we get a palindrome (24223232242).

The spelling of 11023100231 in words is "eleven billion, twenty-three million, one hundred thousand, two hundred thirty-one".

Divisors: 1 11 13 143 2521 27731 30577 32773 336347 360503 397501 4372511 77084617 847930787 1002100021 11023100231