Search a number
-
+
31030001122012 = 2221166463553171
BaseRepresentation
bin1110000111000101111000…
…01100011011101011011100
311001212102212010112002110021
413003202330030123223130
513031343420241401022
6145554552525521524
76351562232436244
oct703427414335334
9131772763462407
1031030001122012
119983827756a62
1235919a47132a4
1314411690a3799
14793c08050b24
1538c2652db7c7
hex1c38bc31badc

31030001122012 has 24 divisors (see below), whose sum is σ = 54560779331072. Its totient is φ = 15441209506800.

The previous prime is 31030001122007. The next prime is 31030001122027. The reversal of 31030001122012 is 21022110003013.

31030001122012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 55818187 + ... + 56371357.

Almost surely, 231030001122012 is an apocalyptic number.

It is an amenable number.

31030001122012 is a deficient number, since it is larger than the sum of its proper divisors (23530778209060).

31030001122012 is a wasteful number, since it uses less digits than its factorization.

31030001122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619849 (or 619847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31030001122012 its reverse (21022110003013), we get a palindrome (52052111125025).

The spelling of 31030001122012 in words is "thirty-one trillion, thirty billion, one million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 211 422 844 66463 132926 265852 553171 1106342 2212684 14023693 28047386 56094772 116719081 233438162 466876324 36765404173 73530808346 147061616692 7757500280503 15515000561006 31030001122012