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231013310424 = 233134317219239
BaseRepresentation
bin1101011100100101110…
…1110101111111011000
3211002021201022002110020
43113021131311333120
512241103401413144
6254043120550440
722455503511441
oct3271135657730
9732251262406
10231013310424
1189a76a9a366
1238931a82420
1318a27601a30
14b276d402c8
15602100d419
hex35c9775fd8

231013310424 has 64 divisors (see below), whose sum is σ = 636423110400. Its totient is φ = 69427967616.

The previous prime is 231013310417. The next prime is 231013310431. The reversal of 231013310424 is 424013310132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231013310417) and next prime (231013310431).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 231013310394 and 231013310403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8596204 + ... + 8623035.

It is an arithmetic number, because the mean of its divisors is an integer number (9944111100).

Almost surely, 2231013310424 is an apocalyptic number.

231013310424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231013310424 is an abundant number, since it is smaller than the sum of its proper divisors (405409799976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231013310424 is a wasteful number, since it uses less digits than its factorization.

231013310424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17219304 (or 17219300 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231013310424 its reverse (424013310132), we get a palindrome (655026620556).

The spelling of 231013310424 in words is "two hundred thirty-one billion, thirteen million, three hundred ten thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 43 52 78 86 104 129 156 172 258 312 344 516 559 1032 1118 1677 2236 3354 4472 6708 13416 17219239 34438478 51657717 68876956 103315434 137753912 206630868 223850107 413261736 447700214 671550321 740427277 895400428 1343100642 1480854554 1790800856 2221281831 2686201284 2961709108 4442563662 5372402568 5923418216 8885127324 9625554601 17770254648 19251109202 28876663803 38502218404 57753327606 77004436808 115506655212 231013310424