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1320312330203 = 5413652366821
BaseRepresentation
bin10011001101101000101…
…111110101011111011011
311200012221211120201222012
4103031220233311133123
5133112444424031303
62450313151220135
7164250366431066
oct23155057653733
94605854521865
101320312330203
11469a39987549
12193a75b1764b
13976743c9239
1447c911338dd
15245272d85d8
hex13368bf57db

1320312330203 has 8 divisors (see below), whose sum is σ = 1322808846576. Its totient is φ = 1317816021600.

The previous prime is 1320312330187. The next prime is 1320312330277. The reversal of 1320312330203 is 3020332130231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320312330203 - 24 = 1320312330187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320312330703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19725533 + ... + 19792353.

It is an arithmetic number, because the mean of its divisors is an integer number (165351105822).

Almost surely, 21320312330203 is an apocalyptic number.

1320312330203 is a deficient number, since it is larger than the sum of its proper divisors (2496516373).

1320312330203 is an equidigital number, since it uses as much as digits as its factorization.

1320312330203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103885.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1320312330203 its reverse (3020332130231), we get a palindrome (4340644460434).

The spelling of 1320312330203 in words is "one trillion, three hundred twenty billion, three hundred twelve million, three hundred thirty thousand, two hundred three".

Divisors: 1 541 36523 66821 19758943 36150161 2440503383 1320312330203