1031213919611 has 2 divisors, whose sum is σ = 1031213919612. Its totient is φ = 1031213919610.

The previous prime is 1031213919563. The next prime is 1031213919641. The reversal of 1031213919611 is 1169193121301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031213919611 - 2¹⁴ = 1031213903227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031213919641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515606959805 + 515606959806.

It is an arithmetic number, because the mean of its divisors is an integer number (515606959806).

Almost surely, 2^{1031213919611} is an apocalyptic number.

1031213919611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031213919611 is an equidigital number, since it uses as much as digits as its factorization.

1031213919611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 1031213919611 in words is "one trillion, thirty-one billion, two hundred thirteen million, nine hundred nineteen thousand, six hundred eleven".