1113332131 has 2 divisors, whose sum is σ = 1113332132. Its totient is φ = 1113332130.

The previous prime is 1113332117. The next prime is 1113332141. The reversal of 1113332131 is 1312333111.

It is a strong prime.

It is an emirp because it is prime and its reverse (1312333111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113332131 - 2¹¹ = 1113330083 is a prime.

It is a super-2 number, since 2×1113332131² = 2479016867834002322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113332099 and 1113332108.

It is not a weakly prime, because it can be changed into another prime (1113332141) 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 as a sum of consecutive naturals, namely, 556666065 + 556666066.

It is an arithmetic number, because the mean of its divisors is an integer number (556666066).

Almost surely, 2^1113332131 is an apocalyptic number.

1113332131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113332131 is an equidigital number, since it uses as much as digits as its factorization.

1113332131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 19.

The square root of 1113332131 is about 33366.6319996490. The cubic root of 1113332131 is about 1036.4338318480.

Adding to 1113332131 its reverse (1312333111), we get a palindrome (2425665242).

It can be divided in two parts, 11133 and 32131, that added together give a square (43264 = 208²).

The spelling of 1113332131 in words is "one billion, one hundred thirteen million, three hundred thirty-two thousand, one hundred thirty-one".