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31113120110 = 253111312011
BaseRepresentation
bin11100111110011111…
…001000100101101110
32222022022211021002212
4130332133020211232
51002204424320420
622143154050422
72151004104662
oct347637104556
988268737085
1031113120110
11122165aa706
126043879a12
132c1ab8a857
1417122008a2
15c217023c5
hex73e7c896e

31113120110 has 8 divisors (see below), whose sum is σ = 56003616216. Its totient is φ = 12445248040.

The previous prime is 31113120107. The next prime is 31113120151. The reversal of 31113120110 is 1102131113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555655996 + ... + 1555656015.

It is an arithmetic number, because the mean of its divisors is an integer number (7000452027).

Almost surely, 231113120110 is an apocalyptic number.

31113120110 is a deficient number, since it is larger than the sum of its proper divisors (24890496106).

31113120110 is a wasteful number, since it uses less digits than its factorization.

31113120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111312018.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 31113120110 its reverse (1102131113), we get a palindrome (32215251223).

The spelling of 31113120110 in words is "thirty-one billion, one hundred thirteen million, one hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 10 3111312011 6222624022 15556560055 31113120110