30103211231 has 2 divisors, whose sum is σ = 30103211232. Its totient is φ = 30103211230.

The previous prime is 30103211219. The next prime is 30103211239. The reversal of 30103211231 is 13211230103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30103211231 is a prime.

It is a super-2 number, since 2×30103211231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30103211239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051605615 + 15051605616.

It is an arithmetic number, because the mean of its divisors is an integer number (15051605616).

Almost surely, 2^30103211231 is an apocalyptic number.

30103211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103211231 is an equidigital number, since it uses as much as digits as its factorization.

30103211231 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 17.

Adding to 30103211231 its reverse (13211230103), we get a palindrome (43314441334).

The spelling of 30103211231 in words is "thirty billion, one hundred three million, two hundred eleven thousand, two hundred thirty-one".