Search a number
-
+
31233430140422 = 283188153193617
BaseRepresentation
bin1110001101000000110011…
…00000100011011000000110
311002120212221110002221220112
413012200121200203120012
513043212031103443142
6150232234551433022
76402353341530416
oct706403140433006
9132525843087815
1031233430140422
119a52029073474
1236052b8685772
1314573b8938a23
1479d9c56d4646
153926be7eb382
hex1c6819823606

31233430140422 has 8 divisors (see below), whose sum is σ = 47414604791736. Its totient is φ = 15428561876512.

The previous prime is 31233430140373. The next prime is 31233430140529. The reversal of 31233430140422 is 22404103433213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 94076596643 + ... + 94076596974.

It is an arithmetic number, because the mean of its divisors is an integer number (5926825598967).

Almost surely, 231233430140422 is an apocalyptic number.

31233430140422 is a deficient number, since it is larger than the sum of its proper divisors (16181174651314).

31233430140422 is a wasteful number, since it uses less digits than its factorization.

31233430140422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188153193702.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31233430140422 its reverse (22404103433213), we get a palindrome (53637533573635).

The spelling of 31233430140422 in words is "thirty-one trillion, two hundred thirty-three billion, four hundred thirty million, one hundred forty thousand, four hundred twenty-two".

Divisors: 1 2 83 166 188153193617 376306387234 15616715070211 31233430140422