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103011100321 = 195421636859
BaseRepresentation
bin101111111101111110…
…0001010011010100001
3100211220000120002100211
41133323330022122201
53141431320202241
6115153405214121
710304465622433
oct1377374123241
9324800502324
10103011100321
113a761098368
1217b6a261341
1399385ac5cc
144db2d16653
152a2d772781
hex17fbf0a6a1

103011100321 has 4 divisors (see below), whose sum is σ = 108432737200. Its totient is φ = 97589463444.

The previous prime is 103011100271. The next prime is 103011100331. The reversal of 103011100321 is 123001110301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123001110301 = 1099131119077.

It is a cyclic number.

It is not a de Polignac number, because 103011100321 - 217 = 103010969249 is a prime.

It is a super-2 number, since 2×1030111003212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103011100331) 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, 2710818411 + ... + 2710818448.

It is an arithmetic number, because the mean of its divisors is an integer number (27108184300).

Almost surely, 2103011100321 is an apocalyptic number.

It is an amenable number.

103011100321 is a deficient number, since it is larger than the sum of its proper divisors (5421636879).

103011100321 is an equidigital number, since it uses as much as digits as its factorization.

103011100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421636878.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 103011100321 its reverse (123001110301), we get a palindrome (226012210622).

The spelling of 103011100321 in words is "one hundred three billion, eleven million, one hundred thousand, three hundred twenty-one".

Divisors: 1 19 5421636859 103011100321