1113431353 has 4 divisors (see below), whose sum is σ = 1131684388. Its totient is φ = 1095178320.

The previous prime is 1113431279. The next prime is 1113431377. The reversal of 1113431353 is 3531343111.

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 197037369 + 916393984 = 14037^2 + 30272^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113431353 - 2¹⁷ = 1113300281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113431153) 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, 9126426 + ... + 9126547.

It is an arithmetic number, because the mean of its divisors is an integer number (282921097).

Almost surely, 2^1113431353 is an apocalyptic number.

It is an amenable number.

1113431353 is a deficient number, since it is larger than the sum of its proper divisors (18253035).

1113431353 is an equidigital number, since it uses as much as digits as its factorization.

1113431353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18253034.

The product of its digits is 1620, while the sum is 25.

The square root of 1113431353 is about 33368.1188112246. The cubic root of 1113431353 is about 1036.4646204989.

Adding to 1113431353 its reverse (3531343111), we get a palindrome (4644774464).

The spelling of 1113431353 in words is "one billion, one hundred thirteen million, four hundred thirty-one thousand, three hundred fifty-three".