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1030223311321 = 9790011052321
BaseRepresentation
bin11101111110111100001…
…10000011000111011001
310122111012000220201101211
432333132012003013121
5113334344131430241
62105140020543121
7134300615442211
oct16773606030731
93574160821354
101030223311321
11367a08224036
121477b7851aa1
13761c39ba5c9
1437c123c1241
151bbe9ca1781
hexefde1831d9

1030223311321 has 4 divisors (see below), whose sum is σ = 1030225342644. Its totient is φ = 1030221280000.

The previous prime is 1030223311297. The next prime is 1030223311409. The reversal of 1030223311321 is 1231133220301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279122022400 + 751101288921 = 528320^2 + 866661^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030223311321 - 223 = 1030214922713 is a prime.

It is a super-3 number, since 3×10302233113213 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030223311292 and 1030223311301.

It is not an unprimeable number, because it can be changed into a prime (1030223311421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452841 + ... + 1505161.

It is an arithmetic number, because the mean of its divisors is an integer number (257556335661).

Almost surely, 21030223311321 is an apocalyptic number.

It is an amenable number.

1030223311321 is a deficient number, since it is larger than the sum of its proper divisors (2031323).

1030223311321 is an equidigital number, since it uses as much as digits as its factorization.

1030223311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031322.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1030223311321 its reverse (1231133220301), we get a palindrome (2261356531622).

The spelling of 1030223311321 in words is "one trillion, thirty billion, two hundred twenty-three million, three hundred eleven thousand, three hundred twenty-one".

Divisors: 1 979001 1052321 1030223311321