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103202311231 is a prime number
BaseRepresentation
bin110000000011101010…
…1100100110000111111
3100212101100100121102101
41200013111210300333
53142324242424411
6115224355405531
710312310112565
oct1400725446077
9325340317371
10103202311231
113a84a017a08
12180022b38a7
1399690aa266
144dd048ba35
152a404428c1
hex1807564c3f

103202311231 has 2 divisors, whose sum is σ = 103202311232. Its totient is φ = 103202311230.

The previous prime is 103202311217. The next prime is 103202311237. The reversal of 103202311231 is 132113202301.

It is a strong prime.

It is an emirp because it is prime and its reverse (132113202301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103202311231 - 27 = 103202311103 is a prime.

It is a super-2 number, since 2×1032023112312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103202311199 and 103202311208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103202311237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601155615 + 51601155616.

It is an arithmetic number, because the mean of its divisors is an integer number (51601155616).

Almost surely, 2103202311231 is an apocalyptic number.

103202311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

103202311231 is an equidigital number, since it uses as much as digits as its factorization.

103202311231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103202311231 its reverse (132113202301), we get a palindrome (235315513532).

The spelling of 103202311231 in words is "one hundred three billion, two hundred two million, three hundred eleven thousand, two hundred thirty-one".