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31130040411 = 323458893379
BaseRepresentation
bin11100111111011111…
…101011100001011011
32222100111122220101200
4130333133223201123
51002223242243121
622145000445243
72151300656211
oct347737534133
988314586350
1031130040411
1112225107128
126049479823
132c21533272
141714566cb1
15c22e45a26
hex73f7eb85b

31130040411 has 6 divisors (see below), whose sum is σ = 44965613940. Its totient is φ = 20753360268.

The previous prime is 31130040407. The next prime is 31130040421. The reversal of 31130040411 is 11404003113.

31130040411 is a `hidden beast` number, since 311 + 300 + 40 + 4 + 11 = 666.

It is not a de Polignac number, because 31130040411 - 22 = 31130040407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31130040421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1729446681 + ... + 1729446698.

It is an arithmetic number, because the mean of its divisors is an integer number (7494268990).

Almost surely, 231130040411 is an apocalyptic number.

31130040411 is a deficient number, since it is larger than the sum of its proper divisors (13835573529).

31130040411 is a wasteful number, since it uses less digits than its factorization.

31130040411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458893385 (or 3458893382 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31130040411 its reverse (11404003113), we get a palindrome (42534043524).

The spelling of 31130040411 in words is "thirty-one billion, one hundred thirty million, forty thousand, four hundred eleven".

Divisors: 1 3 9 3458893379 10376680137 31130040411