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31114123026 = 2372949152027
BaseRepresentation
bin11100111110100010…
…111101011100010010
32222022101201012211220
4130332202331130102
51002210203414101
622143231345510
72151015452640
oct347642753422
988271635756
1031114123026
1112217125168
126044082296
132c1b14c1ac
1417123c2190
15c2184e636
hex73e8bd712

31114123026 has 64 divisors (see below), whose sum is σ = 73721594880. Its totient is φ = 8565560640.

The previous prime is 31114123021. The next prime is 31114123031. The reversal of 31114123026 is 62032141113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31114123021) and next prime (31114123031).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31114122987 and 31114123005.

It is not an unprimeable number, because it can be changed into a prime (31114123021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572025 + ... + 624051.

It is an arithmetic number, because the mean of its divisors is an integer number (1151899920).

Almost surely, 231114123026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31114123026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36860797440).

31114123026 is an abundant number, since it is smaller than the sum of its proper divisors (42607471854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31114123026 is a wasteful number, since it uses less digits than its factorization.

31114123026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52559.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31114123026 its reverse (62032141113), we get a palindrome (93146264139).

The spelling of 31114123026 in words is "thirty-one billion, one hundred fourteen million, one hundred twenty-three thousand, twenty-six".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 174 203 406 491 609 982 1218 1473 2946 3437 6874 10311 14239 20622 28478 42717 52027 85434 99673 104054 156081 199346 299019 312162 364189 598038 728378 1092567 1508783 2185134 3017566 4526349 9052698 10561481 21122962 25545257 31684443 51090514 63368886 76635771 153271542 178816799 357633598 536450397 740812453 1072900794 1481624906 2222437359 4444874718 5185687171 10371374342 15557061513 31114123026