1031300211211 has 2 divisors, whose sum is σ = 1031300211212. Its totient is φ = 1031300211210.

The previous prime is 1031300211209. The next prime is 1031300211251. The reversal of 1031300211211 is 1121120031301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031300211211 - 2¹ = 1031300211209 is a prime.

Together with 1031300211209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1031300211251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515650105605 + 515650105606.

It is an arithmetic number, because the mean of its divisors is an integer number (515650105606).

Almost surely, 2^{1031300211211} is an apocalyptic number.

1031300211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031300211211 is an equidigital number, since it uses as much as digits as its factorization.

1031300211211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1031300211211 its reverse (1121120031301), we get a palindrome (2152420242512).

The spelling of 1031300211211 in words is "one trillion, thirty-one billion, three hundred million, two hundred eleven thousand, two hundred eleven".