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2031320313000 = 2332531137619091
BaseRepresentation
bin11101100011110100001…
…000000010110010101000
321012012012012112121021200
4131203310020002302220
5231240121000004000
64153101540004200
7266521003525656
oct35436410026250
97165165477250
102031320313000
117135293a6590
12289825090660
13119725327164
14704603c5dd6
1537c8c9aa500
hex1d8f4202ca8

2031320313000 has 768 divisors, whose sum is σ = 7819431310080. Its totient is φ = 471225600000.

The previous prime is 2031320312933. The next prime is 2031320313019. The reversal of 2031320313000 is 3130231302.

2031320313000 is a `hidden beast` number, since 2 + 0 + 31 + 320 + 313 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 223438455 + ... + 223447545.

It is an arithmetic number, because the mean of its divisors is an integer number (10181551185).

Almost surely, 22031320313000 is an apocalyptic number.

2031320313000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031320313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3909715655040).

2031320313000 is an abundant number, since it is smaller than the sum of its proper divisors (5788110997080).

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

2031320313000 is a wasteful number, since it uses less digits than its factorization.

2031320313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227 (or 9210 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 2031320313000 its reverse (3130231302), we get a palindrome (2034450544302).

The spelling of 2031320313000 in words is "two trillion, thirty-one billion, three hundred twenty million, three hundred thirteen thousand".