1131103693 has 2 divisors, whose sum is σ = 1131103694. Its totient is φ = 1131103692.

The previous prime is 1131103681. The next prime is 1131103709. The reversal of 1131103693 is 3963011311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 886431529 + 244672164 = 29773^2 + 15642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131103693 - 2⁵ = 1131103661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131104693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565551846 + 565551847.

It is an arithmetic number, because the mean of its divisors is an integer number (565551847).

Almost surely, 2^1131103693 is an apocalyptic number.

It is an amenable number.

1131103693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131103693 is an equidigital number, since it uses as much as digits as its factorization.

1131103693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1131103693 is about 33631.8850646228. The cubic root of 1131103693 is about 1041.9194375917.

The spelling of 1131103693 in words is "one billion, one hundred thirty-one million, one hundred three thousand, six hundred ninety-three".