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31113410411 = 80693855919
BaseRepresentation
bin11100111110100000…
…001111011101101011
32222022100101000022202
4130332200033131223
51002210013113121
622143204210415
72151006424226
oct347640173553
988270330282
1031113410411
1112216788826
126043999a0b
132c1ac5ca25
1417122785bd
15c2175d40b
hex73e80f76b

31113410411 has 4 divisors (see below), whose sum is σ = 31117274400. Its totient is φ = 31109546424.

The previous prime is 31113410381. The next prime is 31113410453. The reversal of 31113410411 is 11401431113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31113410411 - 218 = 31113148267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113410311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919891 + ... + 1936028.

It is an arithmetic number, because the mean of its divisors is an integer number (7779318600).

Almost surely, 231113410411 is an apocalyptic number.

31113410411 is a deficient number, since it is larger than the sum of its proper divisors (3863989).

31113410411 is an equidigital number, since it uses as much as digits as its factorization.

31113410411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863988.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31113410411 its reverse (11401431113), we get a palindrome (42514841524).

The spelling of 31113410411 in words is "thirty-one billion, one hundred thirteen million, four hundred ten thousand, four hundred eleven".

Divisors: 1 8069 3855919 31113410411