Search a number
-
+
31303100210222 = 2103977155534081
BaseRepresentation
bin1110001111000010100100…
…01010110001110000101110
311002211112202212122012122002
413013201102022301300232
513100332222123211342
6150324240135052302
76410401001412431
oct707412212616056
9132745685565562
1031303100210222
119a7962aaa9055
123616900b11092
131460b3c9062b9
147a3114585818
153943eae89d32
hex1c78522b1c2e

31303100210222 has 16 divisors (see below), whose sum is σ = 47459047645152. Its totient is φ = 15483728732160.

The previous prime is 31303100210167. The next prime is 31303100210231. The reversal of 31303100210222 is 22201200130313.

It is a junction number, because it is equal to n+sod(n) for n = 31303100210194 and 31303100210203.

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, 77565779 + ... + 77968302.

It is an arithmetic number, because the mean of its divisors is an integer number (2966190477822).

Almost surely, 231303100210222 is an apocalyptic number.

31303100210222 is a deficient number, since it is larger than the sum of its proper divisors (16155947434930).

31303100210222 is a wasteful number, since it uses less digits than its factorization.

31303100210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155535163.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31303100210222 its reverse (22201200130313), we get a palindrome (53504300340535).

The spelling of 31303100210222 in words is "thirty-one trillion, three hundred three billion, one hundred million, two hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 103 206 977 1954 100631 201262 155534081 311068162 16020010343 32040020686 151956797137 303913594274 15651550105111 31303100210222