Search a number
-
+
31204443300001 = 2343317715913903
BaseRepresentation
bin1110001100001010110011…
…10000100010000010100001
311002111010010022020220012021
413012011121300202002201
513042223144441100001
6150211042351101441
76400306123461526
oct706053160420241
9132433108226167
1031204443300001
119a40803821204
1235bb768b11881
13145474943a84a
1479c435a6114d
15391a74b02ba1
hex1c6159c220a1

31204443300001 has 32 divisors (see below), whose sum is σ = 33430572933120. Its totient is φ = 29055478503744.

The previous prime is 31204443299999. The next prime is 31204443300013. The reversal of 31204443300001 is 10000334440213.

It is a cyclic number.

It is not a de Polignac number, because 31204443300001 - 21 = 31204443299999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31204443300071) 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 31 ways as a sum of consecutive naturals, for example, 2244432616 + ... + 2244446518.

It is an arithmetic number, because the mean of its divisors is an integer number (1044705404160).

Almost surely, 231204443300001 is an apocalyptic number.

It is an amenable number.

31204443300001 is a deficient number, since it is larger than the sum of its proper divisors (2226129633119).

31204443300001 is a wasteful number, since it uses less digits than its factorization.

31204443300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21445.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31204443300001 its reverse (10000334440213), we get a palindrome (41204777740214).

The spelling of 31204443300001 in words is "thirty-one trillion, two hundred four billion, four hundred forty-three million, three hundred thousand, one".

Divisors: 1 23 43 317 989 7159 7291 13631 13903 164657 307837 313513 319769 597829 2269403 4407251 7080251 13750067 52196269 97584329 99531577 101366773 189511793 2244439567 2289226271 4279857811 4358771239 31551509909 98436729653 725684727907 1356714926087 31204443300001