103205317331 has 2 divisors, whose sum is σ = 103205317332. Its totient is φ = 103205317330.

The previous prime is 103205317297. The next prime is 103205317343. The reversal of 103205317331 is 133713502301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103205317331 is a prime.

It is a super-2 number, since 2×103205317331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103205317294 and 103205317303.

It is not a weakly prime, because it can be changed into another prime (103205317381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51602658665 + 51602658666.

It is an arithmetic number, because the mean of its divisors is an integer number (51602658666).

Almost surely, 2^103205317331 is an apocalyptic number.

103205317331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103205317331 is an equidigital number, since it uses as much as digits as its factorization.

103205317331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 29.

Adding to 103205317331 its reverse (133713502301), we get a palindrome (236918819632).

The spelling of 103205317331 in words is "one hundred three billion, two hundred five million, three hundred seventeen thousand, three hundred thirty-one".