| Base | Representation |
|---|---|
| bin | 10011000100010101010… |
| … | …101101001010011011100 |
| 3 | 11122021011122221020220000 |
| 4 | 103010111111221103130 |
| 5 | 132432020143133040 |
| 6 | 2441542025454300 |
| 7 | 163445011623516 |
| oct | 23042525512334 |
| 9 | 4567148836800 |
| 10 | 1310323021020 |
| 11 | 465783204722 |
| 12 | 191b48641390 |
| 13 | 967419b2bc0 |
| 14 | 475c4594bb6 |
| 15 | 2414033d130 |
| hex | 131155694dc |
1310323021020 has 480 divisors, whose sum is σ = 4469414906880. Its totient is φ = 319446167040.
The previous prime is 1310323021001. The next prime is 1310323021027. The reversal of 1310323021020 is 201203230131.
1310323021020 is a `hidden beast` number, since 1 + 310 + 32 + 302 + 1 + 0 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1310323020984 and 1310323021002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310323021027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1438334365 + ... + 1438335275.
It is an arithmetic number, because the mean of its divisors is an integer number (9311281056).
Almost surely, 21310323021020 is an apocalyptic number.
1310323021020 is a gapful number since it is divisible by the number (10) 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 1310323021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234707453440).
1310323021020 is an abundant number, since it is smaller than the sum of its proper divisors (3159091885860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310323021020 is a wasteful number, since it uses less digits than its factorization.
1310323021020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1527 (or 1516 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 1310323021020 its reverse (201203230131), we get a palindrome (1511526251151).
The spelling of 1310323021020 in words is "one trillion, three hundred ten billion, three hundred twenty-three million, twenty-one thousand, twenty".
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