1111313473 has 2 divisors, whose sum is σ = 1111313474. Its totient is φ = 1111313472.

The previous prime is 1111313417. The next prime is 1111313501. The reversal of 1111313473 is 3743131111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109755969 + 1557504 = 33313^2 + 1248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111313473 - 2²¹ = 1109216321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111313773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555656736 + 555656737.

It is an arithmetic number, because the mean of its divisors is an integer number (555656737).

Almost surely, 2^1111313473 is an apocalyptic number.

It is an amenable number.

1111313473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111313473 is an equidigital number, since it uses as much as digits as its factorization.

1111313473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 1111313473 is about 33336.3686234719. The cubic root of 1111313473 is about 1035.8070433783.

Adding to 1111313473 its reverse (3743131111), we get a palindrome (4854444584).

The spelling of 1111313473 in words is "one billion, one hundred eleven million, three hundred thirteen thousand, four hundred seventy-three".