1111132313 has 4 divisors (see below), whose sum is σ = 1111382820. Its totient is φ = 1110881808.

The previous prime is 1111132307. The next prime is 1111132339. The reversal of 1111132313 is 3132311111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127870864 + 983261449 = 11308^2 + 31357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111132313 - 2¹⁰ = 1111131289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111132291 and 1111132300.

It is not an unprimeable number, because it can be changed into a prime (1113132313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118478 + ... + 127511.

It is an arithmetic number, because the mean of its divisors is an integer number (277845705).

Almost surely, 2^1111132313 is an apocalyptic number.

It is an amenable number.

1111132313 is a deficient number, since it is larger than the sum of its proper divisors (250507).

1111132313 is an equidigital number, since it uses as much as digits as its factorization.

1111132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250506.

The product of its digits is 54, while the sum is 17.

The square root of 1111132313 is about 33333.6513601496. The cubic root of 1111132313 is about 1035.7507565292.

Adding to 1111132313 its reverse (3132311111), we get a palindrome (4243443424).

The spelling of 1111132313 in words is "one billion, one hundred eleven million, one hundred thirty-two thousand, three hundred thirteen".