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30312313011 = 32371014392053
BaseRepresentation
bin11100001110110000…
…010011000010110011
32220020111222001021200
4130032300103002303
5444034423004021
621531510022243
72122111260261
oct341660230263
986214861250
1030312313011
1111945568462
125a5b647983
132b20cb44b6
141677b05431
15bc626b126
hex70ec130b3

30312313011 has 48 divisors (see below), whose sum is σ = 45538658880. Its totient is φ = 19413561600.

The previous prime is 30312312977. The next prime is 30312313037. The reversal of 30312313011 is 11031321303.

It is a happy number.

30312313011 is a `hidden beast` number, since 30 + 312 + 313 + 0 + 11 = 666.

It is not a de Polignac number, because 30312313011 - 210 = 30312311987 is a prime.

It is a super-2 number, since 2×303123130112 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30312313051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14763861 + ... + 14765913.

It is an arithmetic number, because the mean of its divisors is an integer number (948722060).

Almost surely, 230312313011 is an apocalyptic number.

30312313011 is a deficient number, since it is larger than the sum of its proper divisors (15226345869).

30312313011 is a wasteful number, since it uses less digits than its factorization.

30312313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30312313011 its reverse (11031321303), we get a palindrome (41343634314).

The spelling of 30312313011 in words is "thirty billion, three hundred twelve million, three hundred thirteen thousand, eleven".

Divisors: 1 3 9 37 101 111 303 333 439 909 1317 2053 3737 3951 6159 11211 16243 18477 33633 44339 48729 75961 133017 146187 207353 227883 399051 622059 683649 901267 1640543 1866177 2703801 4921629 7672061 8111403 14764887 23016183 33346879 69048549 91027967 100040637 273083901 300121911 819251703 3368034779 10104104337 30312313011