Search a number
-
+
31343220114 = 2383233270121
BaseRepresentation
bin11101001100001100…
…111001010110010010
32222220100210112222020
4131030030321112102
51003142331020424
622222053552310
72156466655323
oct351414712622
988810715866
1031343220114
11123244811a8
1260a8945696
132c567534bb
1417349ba44a
15c36a05079
hex74c339592

31343220114 has 32 divisors (see below), whose sum is σ = 63714216384. Its totient is φ = 10277525760.

The previous prime is 31343220107. The next prime is 31343220119. The reversal of 31343220114 is 41102234313.

It is a happy number.

It is a super-2 number, since 2×313432201142 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31343220119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19027 + ... + 251094.

It is an arithmetic number, because the mean of its divisors is an integer number (1991069262).

Almost surely, 231343220114 is an apocalyptic number.

31343220114 is an abundant number, since it is smaller than the sum of its proper divisors (32370996270).

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

31343220114 is a wasteful number, since it uses less digits than its factorization.

31343220114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270442.

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

Adding to 31343220114 its reverse (41102234313), we get a palindrome (72445454427).

The spelling of 31343220114 in words is "thirty-one billion, three hundred forty-three million, two hundred twenty thousand, one hundred fourteen".

Divisors: 1 2 3 6 83 166 233 249 466 498 699 1398 19339 38678 58017 116034 270121 540242 810363 1620726 22420043 44840086 62938193 67260129 125876386 134520258 188814579 377629158 5223870019 10447740038 15671610057 31343220114