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31340304104 = 2391916192633
BaseRepresentation
bin11101001100000001…
…110001011011101000
32222220011022101221212
4131030001301123220
51003141104212404
622221511252252
72156433121664
oct351401613350
988804271855
1031340304104
111232286a37a
1260a797a088
132c55c72155
14173445b8a4
15c3662b06e
hex74c0716e8

31340304104 has 32 divisors (see below), whose sum is σ = 58885704000. Its totient is φ = 15637491072.

The previous prime is 31340304103. The next prime is 31340304157. The reversal of 31340304104 is 40140304313.

It is a super-2 number, since 2×313403041042 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31340304104.

It is not an unprimeable number, because it can be changed into a prime (31340304103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11901572 + ... + 11904204.

It is an arithmetic number, because the mean of its divisors is an integer number (1840178250).

Almost surely, 231340304104 is an apocalyptic number.

It is an amenable number.

31340304104 is a deficient number, since it is larger than the sum of its proper divisors (27545399896).

31340304104 is a wasteful number, since it uses less digits than its factorization.

31340304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31340304104 its reverse (40140304313), we get a palindrome (71480608417).

The spelling of 31340304104 in words is "thirty-one billion, three hundred forty million, three hundred four thousand, one hundred four".

Divisors: 1 2 4 8 919 1619 1838 2633 3238 3676 5266 6476 7352 10532 12952 21064 1487861 2419727 2975722 4262827 4839454 5951444 8525654 9678908 11902888 17051308 19357816 34102616 3917538013 7835076026 15670152052 31340304104