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103103230031 = 593173867167
BaseRepresentation
bin110000000000101101…
…1100111000001001111
3100212010102220202120022
41200001123213001033
53142123411330111
6115210500012355
710306664665244
oct1400133470117
9325112822508
10103103230031
113a7a90a381a
1217b950910bb
1399516c8a29
144dc12595cb
152a368c02db
hex18016e704f

103103230031 has 4 divisors (see below), whose sum is σ = 103277097792. Its totient is φ = 102929362272.

The previous prime is 103103230019. The next prime is 103103230049. The reversal of 103103230031 is 130032301301.

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 103103230031 - 230 = 102029488207 is a prime.

It is a super-2 number, since 2×1031032300312 (a number of 23 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 = 103103229991 and 103103230009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103103230231) 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, 86932991 + ... + 86934176.

It is an arithmetic number, because the mean of its divisors is an integer number (25819274448).

Almost surely, 2103103230031 is an apocalyptic number.

103103230031 is a deficient number, since it is larger than the sum of its proper divisors (173867761).

103103230031 is an equidigital number, since it uses as much as digits as its factorization.

103103230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173867760.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 103103230031 its reverse (130032301301), we get a palindrome (233135531332).

The spelling of 103103230031 in words is "one hundred three billion, one hundred three million, two hundred thirty thousand, thirty-one".

Divisors: 1 593 173867167 103103230031