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1001012231310 = 23571317374791217
BaseRepresentation
bin11101001000100001111…
…10100111110010001110
310112200210021010002210120
432210100332213302032
5112400033112400220
62043505250045410
7132215005401510
oct16442076476216
93480707102716
101001012231310
113565883432a3
12142004b79866
1373519bc9090
1436640a59bb0
151b08a561a40
hexe910fa7c8e

1001012231310 has 512 divisors, whose sum is σ = 3224743280640. Its totient is φ = 192844136448.

The previous prime is 1001012231281. The next prime is 1001012231357. The reversal of 1001012231310 is 131322101001.

It is a happy number.

It is a super-2 number, since 2×10010122313102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1001012231310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 822523822 + ... + 822525038.

It is an arithmetic number, because the mean of its divisors is an integer number (6298326720).

Almost surely, 21001012231310 is an apocalyptic number.

1001012231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001012231310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612371640320).

1001012231310 is an abundant number, since it is smaller than the sum of its proper divisors (2223731049330).

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

1001012231310 is a wasteful number, since it uses less digits than its factorization.

1001012231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1001012231310 its reverse (131322101001), we get a palindrome (1132334332311).

The spelling of 1001012231310 in words is "one trillion, one billion, twelve million, two hundred thirty-one thousand, three hundred ten".