1113031213291 has 2 divisors, whose sum is σ = 1113031213292. Its totient is φ = 1113031213290.

The previous prime is 1113031213289. The next prime is 1113031213331. The reversal of 1113031213291 is 1923121303111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113031213291 - 2¹ = 1113031213289 is a prime.

Together with 1113031213289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1113031211291) 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, 556515606645 + 556515606646.

It is an arithmetic number, because the mean of its divisors is an integer number (556515606646).

Almost surely, 2^{1113031213291} is an apocalyptic number.

1113031213291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113031213291 is an equidigital number, since it uses as much as digits as its factorization.

1113031213291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 1113031213291 in words is "one trillion, one hundred thirteen billion, thirty-one million, two hundred thirteen thousand, two hundred ninety-one".