1113434131 has 4 divisors (see below), whose sum is σ = 1139327992. Its totient is φ = 1087540272.

The previous prime is 1113434093. The next prime is 1113434167. The reversal of 1113434131 is 1314343111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1314343111 = 15013 ⋅87547.

It is a cyclic number.

It is not a de Polignac number, because 1113434131 - 2¹³ = 1113425939 is a prime.

It is a super-2 number, since 2×1113434131² = 2479471128151450322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113434731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12946866 + ... + 12946951.

It is an arithmetic number, because the mean of its divisors is an integer number (284831998).

Almost surely, 2^1113434131 is an apocalyptic number.

1113434131 is a deficient number, since it is larger than the sum of its proper divisors (25893861).

1113434131 is an equidigital number, since it uses as much as digits as its factorization.

1113434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25893860.

The product of its digits is 432, while the sum is 22.

The square root of 1113434131 is about 33368.1604377586. The cubic root of 1113434131 is about 1036.4654824878.

Adding to 1113434131 its reverse (1314343111), we get a palindrome (2427777242).

The spelling of 1113434131 in words is "one billion, one hundred thirteen million, four hundred thirty-four thousand, one hundred thirty-one".