103131312211 has 2 divisors, whose sum is σ = 103131312212. Its totient is φ = 103131312210.

The previous prime is 103131312199. The next prime is 103131312217. The reversal of 103131312211 is 112213131301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103131312211 - 2³¹ = 100983828563 is a prime.

It is not a weakly prime, because it can be changed into another prime (103131312217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565656105 + 51565656106.

It is an arithmetic number, because the mean of its divisors is an integer number (51565656106).

Almost surely, 2^103131312211 is an apocalyptic number.

103131312211 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131312211 is an equidigital number, since it uses as much as digits as its factorization.

103131312211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 103131312211 its reverse (112213131301), we get a palindrome (215344443512).

The spelling of 103131312211 in words is "one hundred three billion, one hundred thirty-one million, three hundred twelve thousand, two hundred eleven".