1213010303311 has 2 divisors, whose sum is σ = 1213010303312. Its totient is φ = 1213010303310.

The previous prime is 1213010303257. The next prime is 1213010303321. The reversal of 1213010303311 is 1133030103121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213010303311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213010303321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606505151655 + 606505151656.

It is an arithmetic number, because the mean of its divisors is an integer number (606505151656).

Almost surely, 2^{1213010303311} is an apocalyptic number.

1213010303311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213010303311 is an equidigital number, since it uses as much as digits as its factorization.

1213010303311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1213010303311 its reverse (1133030103121), we get a palindrome (2346040406432).

The spelling of 1213010303311 in words is "one trillion, two hundred thirteen billion, ten million, three hundred three thousand, three hundred eleven".