1110013391 has 2 divisors, whose sum is σ = 1110013392. Its totient is φ = 1110013390.

The previous prime is 1110013379. The next prime is 1110013409. The reversal of 1110013391 is 1933100111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110013391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110018391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555006695 + 555006696.

It is an arithmetic number, because the mean of its divisors is an integer number (555006696).

Almost surely, 2^1110013391 is an apocalyptic number.

1110013391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110013391 is an equidigital number, since it uses as much as digits as its factorization.

1110013391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 1110013391 is about 33316.8634628171. The cubic root of 1110013391 is about 1035.4029691030.

The spelling of 1110013391 in words is "one billion, one hundred ten million, thirteen thousand, three hundred ninety-one".