103211130311 has 4 divisors (see below), whose sum is σ = 103280261832. Its totient is φ = 103141998792.

The previous prime is 103211130289. The next prime is 103211130329. The reversal of 103211130311 is 113031112301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103211130311 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 103211130311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103211138311) 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, 34563521 + ... + 34566506.

It is an arithmetic number, because the mean of its divisors is an integer number (25820065458).

Almost surely, 2^103211130311 is an apocalyptic number.

103211130311 is a deficient number, since it is larger than the sum of its proper divisors (69131521).

103211130311 is an equidigital number, since it uses as much as digits as its factorization.

103211130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69131520.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103211130311 its reverse (113031112301), we get a palindrome (216242242612).

The spelling of 103211130311 in words is "one hundred three billion, two hundred eleven million, one hundred thirty thousand, three hundred eleven".