1113431005 has 8 divisors (see below), whose sum is σ = 1345730400. Its totient is φ = 884336016.

The previous prime is 1113430993. The next prime is 1113431023. The reversal of 1113431005 is 5001343111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113431005 - 2²³ = 1105042397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800335 + ... + 801724.

It is an arithmetic number, because the mean of its divisors is an integer number (168216300).

Almost surely, 2^1113431005 is an apocalyptic number.

It is an amenable number.

1113431005 is a deficient number, since it is larger than the sum of its proper divisors (232299395).

1113431005 is a wasteful number, since it uses less digits than its factorization.

1113431005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602203.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1113431005 is about 33368.1135966659. The cubic root of 1113431005 is about 1036.4645125174.

Adding to 1113431005 its reverse (5001343111), we get a palindrome (6114774116).

The spelling of 1113431005 in words is "one billion, one hundred thirteen million, four hundred thirty-one thousand, five".