1123331413 has 4 divisors (see below), whose sum is σ = 1130870700. Its totient is φ = 1115792128.

The previous prime is 1123331387. The next prime is 1123331459. The reversal of 1123331413 is 3141333211.

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 312334929 + 810996484 = 17673^2 + 28478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123331413 - 2⁵ = 1123331381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123331483) 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, 3769420 + ... + 3769717.

It is an arithmetic number, because the mean of its divisors is an integer number (282717675).

Almost surely, 2^1123331413 is an apocalyptic number.

It is an amenable number.

1123331413 is a deficient number, since it is larger than the sum of its proper divisors (7539287).

1123331413 is an equidigital number, since it uses as much as digits as its factorization.

1123331413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539286.

The product of its digits is 648, while the sum is 22.

The square root of 1123331413 is about 33516.1366061186. The cubic root of 1123331413 is about 1039.5274643864.

Adding to 1123331413 its reverse (3141333211), we get a palindrome (4264664624).

The spelling of 1123331413 in words is "one billion, one hundred twenty-three million, three hundred thirty-one thousand, four hundred thirteen".