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11331230103 = 33631166499
BaseRepresentation
bin10101000110110010…
…01101100110010111
31002020200201010112000
422203121031212113
5141201243330403
65112215330343
7550540603164
oct124331154627
932220633460
1011331230103
114895202986
1222429809b3
1310b773b2ab
14796c9306b
15464bbb7a3
hex2a364d997

11331230103 has 16 divisors (see below), whose sum is σ = 16789920000. Its totient is φ = 7552842840.

The previous prime is 11331230101. The next prime is 11331230123. The reversal of 11331230103 is 30103213311.

It is a happy number.

11331230103 is a `hidden beast` number, since 1 + 1 + 331 + 230 + 103 = 666.

It is not a de Polignac number, because 11331230103 - 21 = 11331230101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331230101) 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, 137148 + ... + 203646.

It is an arithmetic number, because the mean of its divisors is an integer number (1049370000).

Almost surely, 211331230103 is an apocalyptic number.

11331230103 is a deficient number, since it is larger than the sum of its proper divisors (5458689897).

11331230103 is an equidigital number, since it uses as much as digits as its factorization.

11331230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72819 (or 72813 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11331230103 its reverse (30103213311), we get a palindrome (41434443414).

The spelling of 11331230103 in words is "eleven billion, three hundred thirty-one million, two hundred thirty thousand, one hundred three".

Divisors: 1 3 9 27 6311 18933 56799 66499 170397 199497 598491 1795473 419675189 1259025567 3777076701 11331230103