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531115314150234 = 2311101622112807469
BaseRepresentation
bin111100011000010111110101…
…1101000100111101101011010
32120122112010110102121121102210
41320300233223220213231122
51024103243130410301414
65121331001301535550
7216604546413404022
oct17060575350475532
92518463412547383
10531115314150234
11144258815765620
124b6998581145b6
1319a47c6153a958
149522192b0ca82
1541607dc843e59
hex1e30beba27b5a

531115314150234 has 64 divisors (see below), whose sum is σ = 1170458494657920. Its totient is φ = 159324901920000.

The previous prime is 531115314150227. The next prime is 531115314150307. The reversal of 531115314150234 is 432051413511135.

It is a junction number, because it is equal to n+sod(n) for n = 531115314150192 and 531115314150201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35065452 + ... + 47872920.

It is an arithmetic number, because the mean of its divisors is an integer number (18288413979030).

Almost surely, 2531115314150234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531115314150234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585229247328960).

531115314150234 is an abundant number, since it is smaller than the sum of its proper divisors (639343180507686).

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

531115314150234 is a wasteful number, since it uses less digits than its factorization.

531115314150234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813807.

The product of its (nonzero) digits is 108000, while the sum is 39.

Adding to 531115314150234 its reverse (432051413511135), we get a palindrome (963166727661369).

The spelling of 531115314150234 in words is "five hundred thirty-one trillion, one hundred fifteen billion, three hundred fourteen million, one hundred fifty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 606 1111 2222 3333 6221 6666 12442 18663 37326 68431 136862 205293 410586 628321 1256642 1884963 3769926 6911531 12807469 13823062 20734593 25614938 38422407 41469186 76844814 140882159 281764318 422646477 845292954 1293554369 2587108738 3880663107 7761326214 14229098059 28458196118 42687294177 79675264649 85374588354 159350529298 239025793947 478051587894 876427911139 1752855822278 2629283733417 5258567466834 8047201729549 16094403459098 24141605188647 48283210377294 88519219025039 177038438050078 265557657075117 531115314150234