1113431494 has 16 divisors (see below), whose sum is σ = 1909249056. Its totient is φ = 477057600.

The previous prime is 1113431489. The next prime is 1113431497. The reversal of 1113431494 is 4941343111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113431497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59874 + ... + 76234.

It is an arithmetic number, because the mean of its divisors is an integer number (119328066).

Almost surely, 2^1113431494 is an apocalyptic number.

1113431494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1113431494 is a deficient number, since it is larger than the sum of its proper divisors (795817562).

1113431494 is a wasteful number, since it uses less digits than its factorization.

1113431494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21231.

The product of its digits is 5184, while the sum is 31.

The square root of 1113431494 is about 33368.1209240197. The cubic root of 1113431494 is about 1036.4646642500.

The spelling of 1113431494 in words is "one billion, one hundred thirteen million, four hundred thirty-one thousand, four hundred ninety-four".