1113132313 has 2 divisors, whose sum is σ = 1113132314. Its totient is φ = 1113132312.

The previous prime is 1113132301. The next prime is 1113132323. The reversal of 1113132313 is 3132313111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945378009 + 167754304 = 30747^2 + 12952^2 .

It is an emirp because it is prime and its reverse (3132313111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113132313 - 2⁵ = 1113132281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113132323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556566156 + 556566157.

It is an arithmetic number, because the mean of its divisors is an integer number (556566157).

Almost surely, 2^1113132313 is an apocalyptic number.

It is an amenable number.

1113132313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113132313 is an equidigital number, since it uses as much as digits as its factorization.

1113132313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 19.

The square root of 1113132313 is about 33363.6375864503. The cubic root of 1113132313 is about 1036.3718226414.

Adding to 1113132313 its reverse (3132313111), we get a palindrome (4245445424).

It can be divided in two parts, 111 and 3132313, that multiplied together give a palindrome (347686743).

The spelling of 1113132313 in words is "one billion, one hundred thirteen million, one hundred thirty-two thousand, three hundred thirteen".