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103020230311 = 463222505897
BaseRepresentation
bin101111111110001111…
…0111111011010100111
3100211220122201221100121
41133330132333122213
53141441134332221
6115154333022411
710304636336455
oct1377436773247
9324818657317
10103020230311
113a766263909
1217b71324a07
13993a45817b
144db42119d5
152a2e477a41
hex17fc7bf6a7

103020230311 has 4 divisors (see below), whose sum is σ = 103242736672. Its totient is φ = 102797723952.

The previous prime is 103020230303. The next prime is 103020230329. The reversal of 103020230311 is 113032020301.

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 103020230311 - 23 = 103020230303 is a prime.

It is a super-2 number, since 2×1030202303112 (a number of 23 digits) contains 22 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 (103020230351) 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, 111252486 + ... + 111253411.

It is an arithmetic number, because the mean of its divisors is an integer number (25810684168).

Almost surely, 2103020230311 is an apocalyptic number.

103020230311 is a deficient number, since it is larger than the sum of its proper divisors (222506361).

103020230311 is an equidigital number, since it uses as much as digits as its factorization.

103020230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222506360.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103020230311 its reverse (113032020301), we get a palindrome (216052250612).

The spelling of 103020230311 in words is "one hundred three billion, twenty million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 463 222505897 103020230311