1113430313 has 4 divisors (see below), whose sum is σ = 1123645380. Its totient is φ = 1103215248.

The previous prime is 1113430277. The next prime is 1113430319. The reversal of 1113430313 is 3130343111.

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 773507344 + 339922969 = 27812^2 + 18437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113430313 - 2⁸ = 1113430057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1113430319) 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, 5107370 + ... + 5107587.

It is an arithmetic number, because the mean of its divisors is an integer number (280911345).

Almost surely, 2^1113430313 is an apocalyptic number.

It is an amenable number.

1113430313 is a deficient number, since it is larger than the sum of its proper divisors (10215067).

1113430313 is a wasteful number, since it uses less digits than its factorization.

1113430313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215066.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1113430313 is about 33368.1032274836. The cubic root of 1113430313 is about 1036.4642977957.

Adding to 1113430313 its reverse (3130343111), we get a palindrome (4243773424).

The spelling of 1113430313 in words is "one billion, one hundred thirteen million, four hundred thirty thousand, three hundred thirteen".