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103021123302131 = 870241118382291
BaseRepresentation
bin10111011011001001111001…
…011101010111001011110011
3111111202201112012210201211012
4113123021321131113023303
5102000344230031132011
61003035130051541135
730462013321410506
oct2733117135271363
9444681465721735
10103021123302131
112a90a016392441
12b67a2258ba7ab
134563b08c9c898
141b6236b27713d
15bd9c386b9a8b
hex5db2797572f3

103021123302131 has 4 divisors (see below), whose sum is σ = 103021242554664. Its totient is φ = 103021004049600.

The previous prime is 103021123302107. The next prime is 103021123302157. The reversal of 103021123302131 is 131203321120301.

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

It is a cyclic number.

It is not a de Polignac number, because 103021123302131 - 242 = 98623076791027 is a prime.

It is a super-2 number, since 2×1030211233021312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103021123302097 and 103021123302106.

It is not an unprimeable number, because it can be changed into a prime (103021123332131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58320905 + ... + 60061386.

It is an arithmetic number, because the mean of its divisors is an integer number (25755310638666).

Almost surely, 2103021123302131 is an apocalyptic number.

103021123302131 is a deficient number, since it is larger than the sum of its proper divisors (119252533).

103021123302131 is an equidigital number, since it uses as much as digits as its factorization.

103021123302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119252532.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 103021123302131 its reverse (131203321120301), we get a palindrome (234224444422432).

The spelling of 103021123302131 in words is "one hundred three trillion, twenty-one billion, one hundred twenty-three million, three hundred two thousand, one hundred thirty-one".

Divisors: 1 870241 118382291 103021123302131