1099331071 has 2 divisors, whose sum is σ = 1099331072. Its totient is φ = 1099331070.

The previous prime is 1099331053. The next prime is 1099331137. The reversal of 1099331071 is 1701339901.

It is a weak prime.

It is an emirp because it is prime and its reverse (1701339901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1099331071 - 2⁵ = 1099331039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099311071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549665535 + 549665536.

It is an arithmetic number, because the mean of its divisors is an integer number (549665536).

Almost surely, 2^1099331071 is an apocalyptic number.

1099331071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099331071 is an equidigital number, since it uses as much as digits as its factorization.

1099331071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 1099331071 is about 33156.1618858396. The cubic root of 1099331071 is about 1032.0708239032.

The spelling of 1099331071 in words is "one billion, ninety-nine million, three hundred thirty-one thousand, seventy-one".