103031021303211 has 4 divisors (see below), whose sum is σ = 137374695070952. Its totient is φ = 68687347535472.

The previous prime is 103031021303153. The next prime is 103031021303227. The reversal of 103031021303211 is 112303120130301.

It is a happy number.

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

It is not a de Polignac number, because 103031021303211 - 2¹⁴ = 103031021286827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103031021303251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17171836883866 + ... + 17171836883871.

It is an arithmetic number, because the mean of its divisors is an integer number (34343673767738).

Almost surely, 2^{103031021303211} is an apocalyptic number.

103031021303211 is a deficient number, since it is larger than the sum of its proper divisors (34343673767741).

103031021303211 is an equidigital number, since it uses as much as digits as its factorization.

103031021303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34343673767740.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103031021303211 its reverse (112303120130301), we get a palindrome (215334141433512).

The spelling of 103031021303211 in words is "one hundred three trillion, thirty-one billion, twenty-one million, three hundred three thousand, two hundred eleven".