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103202321111 = 643160501277
BaseRepresentation
bin110000000011101010…
…1100111001011010111
3100212101100101002222022
41200013111213023113
53142324243233421
6115224355523355
710312310153441
oct1400725471327
9325340332868
10103202321111
113a84a02437a
12180022b955b
1399690b18c6
144dd0491491
152a404457ab
hex18075672d7

103202321111 has 4 divisors (see below), whose sum is σ = 103362823032. Its totient is φ = 103041819192.

The previous prime is 103202321029. The next prime is 103202321129. The reversal of 103202321111 is 111123202301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111123202301 = 611821691841.

It is a cyclic number.

It is not a de Polignac number, because 103202321111 - 222 = 103198126807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103202321111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202321711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80249996 + ... + 80251281.

It is an arithmetic number, because the mean of its divisors is an integer number (25840705758).

Almost surely, 2103202321111 is an apocalyptic number.

103202321111 is a deficient number, since it is larger than the sum of its proper divisors (160501921).

103202321111 is an equidigital number, since it uses as much as digits as its factorization.

103202321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160501920.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103202321111 its reverse (111123202301), we get a palindrome (214325523412).

The spelling of 103202321111 in words is "one hundred three billion, two hundred two million, three hundred twenty-one thousand, one hundred eleven".

Divisors: 1 643 160501277 103202321111