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103322131321 = 671542121363
BaseRepresentation
bin110000000111001111…
…0101001101101111001
3100212200200211002200111
41200032132221231321
53143100431200241
6115244315504321
710315263424363
oct1401636515571
9325620732614
10103322131321
113a900716582
12180364580a1
139987b70316
14500235bd33
152a4ac0ec81
hex180e7a9b79

103322131321 has 4 divisors (see below), whose sum is σ = 104864252752. Its totient is φ = 101780009892.

The previous prime is 103322131273. The next prime is 103322131351. The reversal of 103322131321 is 123131223301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123131223301 = 149826384049.

It is a cyclic number.

It is not a de Polignac number, because 103322131321 - 219 = 103321607033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103322131292 and 103322131301.

It is not an unprimeable number, because it can be changed into a prime (103322131351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771060615 + ... + 771060748.

It is an arithmetic number, because the mean of its divisors is an integer number (26216063188).

Almost surely, 2103322131321 is an apocalyptic number.

It is an amenable number.

103322131321 is a deficient number, since it is larger than the sum of its proper divisors (1542121431).

103322131321 is an equidigital number, since it uses as much as digits as its factorization.

103322131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542121430.

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

Adding to 103322131321 its reverse (123131223301), we get a palindrome (226453354622).

The spelling of 103322131321 in words is "one hundred three billion, three hundred twenty-two million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 67 1542121363 103322131321