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2431155342 = 2371119127551
BaseRepresentation
bin1001000011101000…
…0111110010001110
320021102122111011110
42100322013302032
514434333432332
61041124032450
7114150323310
oct22072076216
96242574143
102431155342
111038361aa0
1257a232726
132c98a6775
14190c4d7b0
15e367c4cc
hex90e87c8e

2431155342 has 64 divisors (see below), whose sum is σ = 6094061568. Its totient is φ = 628140000.

The previous prime is 2431155313. The next prime is 2431155359. The reversal of 2431155342 is 2435511342.

It is a congruent number.

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, 74467 + ... + 102017.

It is an arithmetic number, because the mean of its divisors is an integer number (95219712).

Almost surely, 22431155342 is an apocalyptic number.

2431155342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2431155342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3047030784).

2431155342 is an abundant number, since it is smaller than the sum of its proper divisors (3662906226).

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

2431155342 is a wasteful number, since it uses less digits than its factorization.

2431155342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27765.

The product of its digits is 14400, while the sum is 30.

The square root of 2431155342 is about 49306.7474287242. The cubic root of 2431155342 is about 1344.6344583204.

Adding to 2431155342 its reverse (2435511342), we get a palindrome (4866666684).

The spelling of 2431155342 in words is "two billion, four hundred thirty-one million, one hundred fifty-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 191 231 382 462 573 1146 1337 2101 2674 4011 4202 6303 8022 12606 14707 27551 29414 44121 55102 82653 88242 165306 192857 303061 385714 578571 606122 909183 1157142 1818366 2121427 4242854 5262241 6364281 10524482 12728562 15786723 31573446 36835687 57884651 73671374 110507061 115769302 173653953 221014122 347307906 405192557 810385114 1215577671 2431155342