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13124010231 = 33490999017
BaseRepresentation
bin11000011100100000…
…01000000011110111
31020212122010210112000
430032100020003313
5203334221311411
610010141030343
7643140150333
oct141620100367
936778123460
1013124010231
115625186152
1226632553b3
131311ca1037
148c700a7c3
1551c29a956
hex30e4080f7

13124010231 has 16 divisors (see below), whose sum is σ = 19447135200. Its totient is φ = 8747469504.

The previous prime is 13124010203. The next prime is 13124010253. The reversal of 13124010231 is 13201042131.

13124010231 is a `hidden beast` number, since 1 + 31 + 2 + 401 + 0 + 231 = 666.

It is not a de Polignac number, because 13124010231 - 25 = 13124010199 is a prime.

It is a super-2 number, since 2×131240102312 (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 (13124010331) 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, 83035 + ... + 182051.

It is an arithmetic number, because the mean of its divisors is an integer number (1215445950).

Almost surely, 213124010231 is an apocalyptic number.

13124010231 is a deficient number, since it is larger than the sum of its proper divisors (6323124969).

13124010231 is an equidigital number, since it uses as much as digits as its factorization.

13124010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103935 (or 103929 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13124010231 its reverse (13201042131), we get a palindrome (26325052362).

The spelling of 13124010231 in words is "thirteen billion, one hundred twenty-four million, ten thousand, two hundred thirty-one".

Divisors: 1 3 9 27 4909 14727 44181 99017 132543 297051 891153 2673459 486074453 1458223359 4374670077 13124010231