Search a number
-
+
31013510512244 = 22133952115091057
BaseRepresentation
bin1110000110100111001010…
…10001101111111001110100
311001210212021212112022120112
413003103211101233321310
513031111132142342434
6145543224322522152
76350436462531611
oct703234521577164
9131725255468515
1031013510512244
119977835188847
12358a761b06358
13143c73b7a2620
147930c1c8d508
1538baec6d4dce
hex1c34e546fe74

31013510512244 has 24 divisors (see below), whose sum is σ = 58450021839048. Its totient is φ = 14313564794880.

The previous prime is 31013510512219. The next prime is 31013510512307. The reversal of 31013510512244 is 44221501531013.

It can be written as a sum of positive squares in 4 ways, for example, as 220888720144 + 30792621792100 = 469988^2 + 5549110^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31013510512244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5490437 + ... + 9600620.

It is an arithmetic number, because the mean of its divisors is an integer number (2435417576627).

Almost surely, 231013510512244 is an apocalyptic number.

It is an amenable number.

31013510512244 is a deficient number, since it is larger than the sum of its proper divisors (27436511326804).

31013510512244 is a wasteful number, since it uses less digits than its factorization.

31013510512244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130595 (or 15130593 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 31013510512244 in words is "thirty-one trillion, thirteen billion, five hundred ten million, five hundred twelve thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 39521 79042 158084 513773 1027546 2055092 15091057 30182114 60364228 196183741 392367482 784734964 596413663697 1192827327394 2385654654788 7753377628061 15506755256122 31013510512244