1113042031 has 2 divisors, whose sum is σ = 1113042032. Its totient is φ = 1113042030.

The previous prime is 1113042019. The next prime is 1113042043. The reversal of 1113042031 is 1302403111.

It is a balanced prime because it is at equal distance from previous prime (1113042019) and next prime (1113042043).

It is a cyclic number.

It is not a de Polignac number, because 1113042031 - 2¹³ = 1113033839 is a prime.

It is a super-2 number, since 2×1113042031² = 2477725125545209922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113041996 and 1113042014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113042331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556521015 + 556521016.

It is an arithmetic number, because the mean of its divisors is an integer number (556521016).

Almost surely, 2^1113042031 is an apocalyptic number.

1113042031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113042031 is an equidigital number, since it uses as much as digits as its factorization.

1113042031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1113042031 is about 33362.2845590646. The cubic root of 1113042031 is about 1036.3438031360.

Adding to 1113042031 its reverse (1302403111), we get a palindrome (2415445142).

The spelling of 1113042031 in words is "one billion, one hundred thirteen million, forty-two thousand, thirty-one".