11031110223391 has 2 divisors, whose sum is σ = 11031110223392. Its totient is φ = 11031110223390.

The previous prime is 11031110223377. The next prime is 11031110223461. The reversal of 11031110223391 is 19332201113011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11031110223391 - 2¹⁵ = 11031110190623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031110223311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515555111695 + 5515555111696.

It is an arithmetic number, because the mean of its divisors is an integer number (5515555111696).

Almost surely, 2^{11031110223391} is an apocalyptic number.

11031110223391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031110223391 is an equidigital number, since it uses as much as digits as its factorization.

11031110223391 is an evil number, because the sum of its binary digits is even.

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

The spelling of 11031110223391 in words is "eleven trillion, thirty-one billion, one hundred ten million, two hundred twenty-three thousand, three hundred ninety-one".