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103210323031213 = 524257196869709
BaseRepresentation
bin10111011101111010000110…
…101001000011010010101101
3111112102210212212110210212121
4113131322012221003102231
5102011444220143444323
61003302100130432541
730511462006520266
oct2735720651032255
9445383785423777
10103210323031213
112a982285733202
12b6aaa28432751
1345788cb8852b8
141b6b598bd996d
15bdeb0d8a3a5d
hex5dde86a434ad

103210323031213 has 4 divisors (see below), whose sum is σ = 103210520425180. Its totient is φ = 103210125637248.

The previous prime is 103210323031141. The next prime is 103210323031229. The reversal of 103210323031213 is 312130323012301.

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 89521817790409 + 13688505240804 = 9461597^2 + 3699798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103210323031213 is a prime.

It is a super-3 number, since 3×1032103230312133 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103210323031253) 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, 97910598 + ... + 98959111.

It is an arithmetic number, because the mean of its divisors is an integer number (25802630106295).

Almost surely, 2103210323031213 is an apocalyptic number.

It is an amenable number.

103210323031213 is a deficient number, since it is larger than the sum of its proper divisors (197393967).

103210323031213 is an equidigital number, since it uses as much as digits as its factorization.

103210323031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197393966.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 103210323031213 its reverse (312130323012301), we get a palindrome (415340646043514).

The spelling of 103210323031213 in words is "one hundred three trillion, two hundred ten billion, three hundred twenty-three million, thirty-one thousand, two hundred thirteen".

Divisors: 1 524257 196869709 103210323031213