Search a number
-
+
323131443044 = 22337239711753
BaseRepresentation
bin1001011001111000010…
…00101000011101100100
31010220001120211002021212
410230330020220131210
520243233122134134
6404240004130552
732226332642654
oct4547410503544
91126046732255
10323131443044
11115048303883
1252760096a58
13246181c0307
14118d5288364
1586132d4bce
hex4b3c228764

323131443044 has 12 divisors (see below), whose sum is σ = 567158009964. Its totient is φ = 161086297344.

The previous prime is 323131443043. The next prime is 323131443059. The reversal of 323131443044 is 440344131323.

It can be written as a sum of positive squares in 2 ways, for example, as 116526649600 + 206604793444 = 341360^2 + 454538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 323131443044.

It is not an unprimeable number, because it can be changed into a prime (323131443043) 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 3 ways as a sum of consecutive naturals, for example, 119854529 + ... + 119857224.

It is an arithmetic number, because the mean of its divisors is an integer number (47263167497).

Almost surely, 2323131443044 is an apocalyptic number.

It is an amenable number.

323131443044 is a deficient number, since it is larger than the sum of its proper divisors (244026566920).

323131443044 is a wasteful number, since it uses less digits than its factorization.

323131443044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239712094 (or 239712092 counting only the distinct ones).

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

Adding to 323131443044 its reverse (440344131323), we get a palindrome (763475574367).

The spelling of 323131443044 in words is "three hundred twenty-three billion, one hundred thirty-one million, four hundred forty-three thousand, forty-four".

Divisors: 1 2 4 337 674 1348 239711753 479423506 958847012 80782860761 161565721522 323131443044