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31300310011 = 535946121713
BaseRepresentation
bin11101001001101001…
…001101001111111011
32222210101001111101011
4131021221031033323
51003100334410021
622213522134351
72155436150065
oct351151151773
988711044334
1031300310011
1112302233203
1260964b13b7
132c4a8ab1c9
14172d00a735
15c32d7ade1
hex749a4d3fb

31300310011 has 16 divisors (see below), whose sum is σ = 32503252320. Its totient is φ = 30122360320.

The previous prime is 31300309991. The next prime is 31300310023. The reversal of 31300310011 is 11001300313.

It is a happy number.

It is not a de Polignac number, because 31300310011 - 211 = 31300307963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31300309973 and 31300310000.

It is not an unprimeable number, because it can be changed into a prime (31300380011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430691 + ... + 1452403.

It is an arithmetic number, because the mean of its divisors is an integer number (2031453270).

Almost surely, 231300310011 is an apocalyptic number.

31300310011 is a deficient number, since it is larger than the sum of its proper divisors (1202942309).

31300310011 is a wasteful number, since it uses less digits than its factorization.

31300310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22286.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 31300310011 its reverse (11001300313), we get a palindrome (42301610324).

The spelling of 31300310011 in words is "thirty-one billion, three hundred million, three hundred ten thousand, eleven".

Divisors: 1 53 59 461 3127 21713 24433 27199 1150789 1281067 1441547 10009693 67896551 530513729 590571887 31300310011